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Yn y mynegeion y mae'r termau sy'n perthyn i ddisgrifiadau byw wedi'u tanlinellu.
A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|Eraill/Other
S. Jenkins and Sons | Archives (1 reference)
Sabotage | Wales (1 reference)
Sachville Avenue Congregational Church (Cardiff, Wales) | Archives (1 reference)
Sachville Avenue United Reformed Church (Cardiff, Wales) | Archives (1 reference)
Sacred music | Great Britain | 20th century | Scores (1 reference)
Sacred music | Wales (1 reference)
Sacred music | Wales | 20th century | Scores (3 references)
Saddlery | Wales | Monmouthshire (1 reference)
Saddlery | Wales | Pembrokeshire (1 reference)
Saddlery | Wales | West Glamorgan (2 references)
Sagas (1 reference)
Sailing clubs | Wales | Anglesey (2 references)
Sailing ships | Wales (1 reference)
Sailing | Wales | Aberystwyth (1 reference)
Sailmakers | Wales, North | 19th century (1 reference)
Sailors | India | Bombay (1 reference)
Sailors | Trades unions | Wales | Cardiff (1 reference)
Sailors | Wales | 19th century (2 references)
Sailors | Wales | Anglesey | Pay, allowances, etc. (1 reference)
Sailors | Wales, North, (9 references)
Saint David's Day (1 reference)
Salem (Church : Cardiff, Wales) | Archives (1 reference)
Salem (Church : Dolgellau, Wales) | Archives (1 reference)
Salem (Church : Nantyffyllon, Wales) | Archives (1 reference)
Salem Baptist Chapel (Blaina, Wales) | Archives (1 reference)
Salem Baptist Chapel (Briton Ferry, Wales) | Archives (1 reference)
Salem Baptist Church (Tongwynlais, Wales) | Archives (1 reference)
Salem Congregational Chapel (Fleur-de-lis, Wales) | Records and correspondence (1 reference)
Salem Newydd (Church : Ferndale, Wales) | Archives (1 reference)
Salem, Capel-y-Cwm (Bon-y-maen, Wales) | Records and correspondence (1 reference)
Sales accounting | Wales, South (2 references)
Sales particulars | England | Gloucestershire (1 reference)
Sales particulars | England | Herefordshire (1 reference)
Sales particulars | England | Kent (1 reference)
Sales particulars | England | Northumberland (1 reference)
Sales particulars | England | Shropshire (1 reference)
Sales particulars | England | Somerset (1 reference)
Sales particulars | England | Surrey (1 reference)
Sales particulars | England | Sussex (1 reference)
Sales particulars | England | Worcestershire (1 reference)
Sales particulars | Wales | Bala (1 reference)
Sales particulars | Wales | Carmarthenshire (1 reference)
Sales particulars | Wales | Ceredigion (2 references)
Sales particulars | Wales | Denbighshire (4 references)
Sales particulars | Wales | Flintshire (1 reference)
Sales particulars | Wales | Glamorgan (7 references)
Sales particulars | Wales | Gwynedd (1 reference)
Sales particulars | Wales | Monmouthshire (2 references)
Sales particulars | Wales | Montgomeryshire (1 reference)
Sales particulars | Wales | Pembrokeshire (7 references)
Sales particulars | Wales | Powys (15 references)
Sales particulars | Wales | Radnorshire (1 reference)
Sales particulars | Wales | Slebech (2 references)
Salmon, David, | Archives (1 reference)
Saltmarsh Farm, Goldcliff | Records and correspondence (1 reference)
Saltmead Hall (Grangetown, Wales) | Archives (1 reference)
Saltney Ferry Presbyterian Church (Saltney, Wales) | Records and correspondence (1 reference)
Salusbury family, | of Lleweni and Bachygraig | Archives (1 reference)
Salvation Army. | Holyhead (Wales) (1 reference)
Salvation Army. | Penarth Corps (1 reference)
Salvation Army. | UK territory. | North Western Division. | Holyhead corps | Records and correspondence (1 reference)
Samaritans | Religion (1 reference)
Sampson family, | of Aberdunant and Caernarfon | Archives (1 reference)
Samuel, Harri, | Archives (1 reference)
Sandbach family, | of Hafodunos and Bryngwyn | Archives (1 reference)
Sandycroft Brick and Tile Company | Records and correspondence (1 reference)
Sandycroft Presbyterian Church (Sandycroft, Wales) | Archives (1 reference)
Sanitation | Government policy | Wales (2 references)
Sanitation | Great Britain (1 reference)
Sanitation | Wales | Aberaeron (2 references)
Sanitation | Wales | Ceredigion (1 reference)
Sanitation | Wales | Powys (3 references)
Sanitation | Wales | Tregaron (1 reference)
Sanskrit language (1 reference)
Sanskrit philology (1 reference)
Saron (Church : New Tredegar, Wales) | Archives (1 reference)
Saron Church (Cefn-mawr, Denbighshire, Wales) | Archives (1 reference)
Saron Independent Chapel (Gendros, Wales) | Archives (1 reference)
Saron Presbyterian Church (Treforest, Wales) (1 reference)
Sauna | Wales (1 reference)
Saunders family, | of Court Henry | Archives (1 reference)
Saunders-Davies family, | of Pentre, Pembrokeshire | Archives (3 references)
Saundersfoot (Wales) | Photographs (1 reference)
Saundersfoot Railway and Harbour Company | Archives (1 reference)
Saving accounts | Wales | Dolgellau (1 reference)
Savings accounts | Wales | Denbighshire (1 reference)
Savings and loan associations | Wales (2 references)
Savings and loan associations | Wales | Caernarvonshire (1 reference)
Savings and loan associations | Wales | Ceredigion (1 reference)
Savings and loan associations | Wales | Conwy (1 reference)
Savings and loan associations | Wales | Denbighshire (1 reference)
Savings and loan associations | Wales | Gwynedd (1 reference)
Savings and loan associations | Wales | Pembrokeshire (2 references)
Savings banks | Wales | Montgomeryshire (1 reference)
Saxony (Germany) | Description and travel (1 reference)
Sayce, R. U. | (Roderick Urwick) | Archives (3 references)
Scandinavia | History (1 reference)
Scenic railroads | Wales, South (1 reference)
Scenic railways | Wales | Ceredigion (1 reference)
Scenic railways | Wales | Denbighshire (1 reference)
Scenic railways | Wales | Gwynedd (1 reference)
Scholars | Oxford | Archives (1 reference)
Scholars | Wales | Archives (6 references)
School administrators | Wales | Llangollen (1 reference)
School boards | Wales | Bridgend (11 references)
School boards | Wales | Caerphilly (3 references)
School boards | Wales | Cardiff (5 references)
School boards | Wales | Conwy (3 references)
School boards | Wales | Denbighshire (1 reference)
School boards | Wales | Gwent (24 references)
School boards | Wales | Merthyr Tydfil (1 reference)
School boards | Wales | Montgomeryshire (1 reference)
School boards | Wales | Pembrokeshire (1 reference)
School boards | Wales | Powys (2 references)
School boards | Wales | Rhondda Cynon Taff (9 references)
School boards | Wales | Vale of Glamorgan (9 references)
School buildings | Designs and plans | Wales | Denbighshire (1 reference)
School buildings | Wales | Gwynedd | Designs and plans (1 reference)
School buildings | Wales | Pembrokeshire | Designs and plans (2 references)
School children | Wales | Conwy (1 reference)
School inspectors | Wales | Archives (1 reference)
School management and organization (1 reference)
School management teams | Wales | Glamorgan (1 reference)
School music | 20th century | Instruction and study | Activity programs (1 reference)
School music | Great Britain | 20th century | Scores (1 reference)
School notebooks (1 reference)
School orations | Wales | Cardiff (1 reference)
School records and correspondence | Wales | Gwynedd (1 reference)
School records | Wales | Gwent (1 reference)
Schools (1 reference)
Schools | Accounting (1 reference)
Schools | Argentina | Chubut (2 references)
Schools | England | Bath (1 reference)
Schools | England | Shrewsbury (1 reference)
Schools | Records and correspondence (1 reference)
Schools | Wales (1 reference)
Schools | Wales | 19th century | Archives (2 references)
Schools | Wales | Aberavon (4 references)
Schools | Wales | Aberffraw (1 reference)
Schools | Wales | Abersoch (2 references)
Schools | Wales | Aberystwyth (2 references)
Schools | Wales | Amlwch (1 reference)
Schools | Wales | Anglesey (4 references)
Schools | Wales | Anglesey | 19th century (1 reference)
Schools | Wales | Anglesey | 20th century (1 reference)
Schools | Wales | Anglesey | Administration | Records and correspondence (1 reference)
Schools | Wales | Archives (2 references)
Schools | Wales | Bangor (2 references)
Schools | Wales | Bethesda (Gwynedd) (1 reference)
Schools | Wales | Blaenau Ffestiniog | Archives (1 reference)
Schools | Wales | Blaenau Gwent (1 reference)
Schools | Wales | Briton Ferry (6 references)
Schools | Wales | Brynrefail | Records and correspondence (1 reference)
Schools | Wales | Caernarfon (1 reference)
Schools | Wales | Caerphilly | Archives (1 reference)
Schools | Wales | Cardiff (3 references)
Schools | Wales | Carmarthenshire (1 reference)
Schools | Wales | Ceredigion (1 reference)
Schools | Wales | Ceredigion | Archives (2 references)
Schools | Wales | Cockett (1 reference)
Schools | Wales | Denbighshire | Records and correspondence (1 reference)
Schools | Wales | Dolgellau | Records and correspondence (2 references)
Schools | Wales | Flintshire | Archives (1 reference)
Schools | Wales | Glamorgan (4 references)
Schools | Wales | Glamorgan | Designs and plans (1 reference)
Schools | Wales | Glyn-neath (2 references)
Schools | Wales | Glyncorrwg (4 references)
Schools | Wales | Gwynedd (1 reference)
Schools | Wales | Gwynedd | Records and correspondence (6 references)
Schools | Wales | Holyhead | 19th century | Archives (1 reference)
Schools | Wales | Llandegfan (1 reference)
Schools | Wales | Llandeilo Tal-y-bont (4 references)
Schools | Wales | Llangiwg (6 references)
Schools | Wales | Llangurig (1 reference)
Schools | Wales | Llanilar (1 reference)
Schools | Wales | Llanover | Records and correspondence (1 reference)
Schools | Wales | Llanrhystud (1 reference)
Schools | Wales | Llanrug | Records and correspondence (2 references)
Schools | Wales | Llansamlet (4 references)
Schools | Wales | Llanwnog (1 reference)
Schools | Wales | Manafon (1 reference)
Schools | Wales | Monmouthshire (1 reference)
Schools | Wales | Montgomeryshire (1 reference)
Schools | Wales | Morriston (2 references)
Schools | Wales | Neath (7 references)
Schools | Wales | Neath Port Talbot (35 references)
Schools | Wales | Neath Port Talbot | Designs and plans (1 reference)
Schools | Wales | Oystermouth (3 references)
Schools | Wales | Pembrokeshire | Administration (5 references)
Schools | Wales | Pembrokeshire | Design and plans (4 references)
Schools | Wales | Pembrokeshire | Records and correspondence (2 references)
Schools | Wales | Penmaenmawr | Photographs (2 references)
Schools | Wales | Penmorfa (1 reference)
Schools | Wales | Pontypool (1 reference)
Schools | Wales | Powys (12 references)
Schools | Wales | Powys | Archives (1 reference)
Schools | Wales | Powys | Maps (1 reference)
Schools | Wales | Rhondda Cynon Taff (1 reference)
Schools | Wales | Rhondda Cynon Taff | Administration (1 reference)
Schools | Wales | Sketty (Swansea) (2 references)
Schools | Wales | Skewen (2 references)
Schools | Wales | St John's (Swansea) (2 references)
Schools | Wales | Swansea (59 references)
Schools | Wales | Swansea | Designs and plans (2 references)
Schools | Wales | Swansea | Maps (1 reference)
Schools | Wales | Swansea | Records and correspondence (4 references)
Schools | Wales | Trawsfynydd (1 reference)
Schools | Wales | Trefeglwys (1 reference)
Schooners | Wales | New Quay (1 reference)
Science teachers | Wales (1 reference)
Science | Societies, etc. (1 reference)
Science | Study and teaching | Wales (1 reference)
Science | Translating | Wales (1 reference)
Scientists (2 references)
Scientists Against Nuclear Armaments | Records and correspondence (1 reference)
Scientists | Biography (1 reference)
Scientists | Marine biology | 20th century (1 reference)
Scotch Baptists | Wales | Harlech (1 reference)
Scotch Baptists | Wales | Llanfrothen (3 references)
Scotland | Description and travel (4 references)
Scourfield family, | New Moat, Wales | Archives (4 references)
Scouts and scouting | History | Sources (2 references)
Scouts and scouting | Wales | Anglesey (1 reference)
Scouts and scouting | Wales | Caernarvonshire (1 reference)
Scouts and scouting | Wales | Caerphilly (3 references)
Scouts and scouting | Wales | Cardiff (2 references)
Scouts and scouting | Wales | Ceredigion (2 references)
Scouts and scouting | Wales | Gwynedd (2 references)
Scouts and scouting | Wales | Pontypridd (2 references)
Scouts and scouting | Wales | Vale of Glamorgan (2 references)
Scoveston Estate (Wales) | Archives (1 reference)
Scrapbooks | Italy (1 reference)
Scrapbooks | Wales (8 references)
Scrapbooks | Wales | Abertillery (1 reference)
Scrapbooks | Wales | Denbighshire (4 references)
Scrapbooks | Wales | Llandeilo (1 reference)
Scrapbooks | Wales | Welshpool (2 references)
Sculptors | History | Great Britain (1 reference)
Sculptors | Wales (1 reference)
Sea songs | Wales | Holyhead | 19th century (1 reference)
Sealyham Terrier Club | Archives (1 reference)
Sealyham terriers (1 reference)
Search and rescue operations | Wales | Caernarfon (1 reference)
Search and rescue operations | Wales, North | 19th century | Records and correspondence (1 reference)
Seaside resorts | Wales | Pwllheli (1 reference)
Seed potatoes | Wales | Ceredigion (1 reference)
Seed potatoes | Wales | Pembrokeshire (1 reference)
Seed technology | Wales | Ceredigion (1 reference)
Self-help groups | Great Britain | History (1 reference)
Senior, Nassau William, | 1790-1864 | Archives (1 reference)
Sepulchral monuments | Law and legislation | Wales | Denbighshire (1 reference)
Sepulchral monuments | Wales | Anglesey (1 reference)
Sepulchral monuments | Wales | Breconshire (1 reference)
Sepulchral monuments | Wales | Cardigan | Design and construction (1 reference)
Sepulchral monuments | Wales | Denbighshire (1 reference)
Sepulchral monuments | Wales | Flintshire (1 reference)
Seren Printing Press (Bala, Wales) | Records and correspondence (1 reference)
Sericulture | Wales | Dolgellau (1 reference)
Sermons (2 references)
Sermons | 19th century (2 references)
Sermons | Wales (5 references)
Sermons | Wales | 20th century (4 references)
Sermons | Wales | Llanaber (1 reference)
Sermons | Wales | Llanddewi'r Cwm (1 reference)
Sermons | Wales | Llanynys (Powys) (1 reference)
Sermons | Wales | Maesmynys (1 reference)
Sermons | Wales, North | 19th century (2 references)
Sermons, American | Indiana (1 reference)
Sermons, American | New York | Long Island (1 reference)
Sermons, Breton (1 reference)
Sermons, English (4 references)
Sermons, English | 17th century (3 references)
Sermons, English | 18th century (1 reference)
Sermons, English | Wales | Glamorgan | 20th century (1 reference)
Sermons, English. | 20th century (1 reference)
Sermons, Welsh | 17th century (1 reference)
Sermons, Welsh | 18th century (5 references)
Sermons, Welsh | 19th century (24 references)
Sermons, Welsh | 20th century (14 references)
Sermons, Welsh | 20th century | Criticism and interpretation (1 reference)
Sermons, Welsh | Wales (14 references)
Sermons, Welsh | Wales | Abergele (2 references)
Sermons, Welsh | Wales | Anglesey (4 references)
Sermons, Welsh | Wales | Gwynedd | 20th century (2 references)
Sermons, Welsh | Wales | Trawsfynydd (1 reference)
Sermons, Welsh | Wales, South (1 reference)
Seven Bishops trial, London, England, 1688 (1 reference)
Seven Sisters (Wales). Community Council | Archives (1 reference)
Severn family | Archives (2 references)
Sewage disposal | Wales | Bangor (1 reference)
Sewage disposal | Wales | Flintshire (1 reference)
Sewage disposal | Wales | Monmouthshire (1 reference)
Sewerage | Wales | Gwynedd (3 references)
Sewerage | Wales | Monmouthshire (2 references)
Sewerage | Wales | Rhymney Valley (district) (1 reference)
Sewerage | Wales | Swansea (1 reference)
Share certificates | Wales | Torfaen (1 reference)
Sheen family, | of Cwm-mawr | Archives (1 reference)
Sheep dog trials | Wales (1 reference)
Sheep farming | Wales (2 references)
Sheep farming | Wales | Rhydymain (1 reference)
Sheep | Marking | Wales (2 references)
Sheep | Parasites | Control | Wales (1 reference)
Sheep-dip | Wales (1 reference)
Shellfish populations | Wales | Conwy (1 reference)
Sheriffs | Wales | Anglesey (1 reference)
Sheriffs | Wales | Anglesey | Records and correspondence (1 reference)
Sheriffs | Wales | Glamorgan (2 references)
Sheriffs | Wales | Gwynedd (1 reference)
Sheriffs | Wales | Gwynedd | Archives (2 references)
Sheriffs | Wales | Monmouthshire (5 references)
Sheriffs | Wales | Neath Port Talbot (1 reference)
Sheriffs | Wales | Radnorshire (1 reference)
Sheriffs | Wales | Swansea (1 reference)
Sheringham, J. G. T. | Archives (1 reference)
Ship brokers | Wales | Cardiff (2 references)
Ship brokers | Wales | Porthmadog (1 reference)
Ship captains | Wales (2 references)
Ship physicians | Wales | Llandeilo (1 reference)
Ship registers | Scotland | Grangemouth (1 reference)
Ship registers | Wales | Aberdyfi (1 reference)
Ship registers | Wales | Aberystwyth (1 reference)
Ship registers | Wales | Barmouth (1 reference)
Ship registers | Wales | Beaumaris (2 references)
Ship registers | Wales | Caernarfon (3 references)
Ship registers | Wales | Cardigan (1 reference)
Ship registers | Wales | Chepstow (1 reference)
Ship registers | Wales | Flintshire (1 reference)
Ship registers | Wales | Milford Haven (1 reference)
Ship registers | Wales | Newport (3 references)
Ship registers | Wales | Port Talbot (1 reference)
Ship registers | Wales | Porthmadog (2 references)
Ship registers | Wales | Pwllheli (1 reference)
Ship registers | Wales | Swansea (1 reference)
Ship's papers (1 reference)
Ship-money (1 reference)
Shipbuilding | Wales | Aberdyfi | History (1 reference)
Shipbuilding | Wales | Barmouth (1 reference)
Shipbuilding | Wales | Holyhead (1 reference)
Shipbuilding | Wales | Llŷn (2 references)
Shipbuilding | Wales | Pembrokeshire (1 reference)
Shipbuilding | Wales | Saltney, Hawarden (1 reference)
Shipowners | Wales | Cardiff (2 references)
Shipping (2 references)
Shipping articles | Wales | Aberystwyth (1 reference)
Shipping | Great Britain (1 reference)
Shipping | Wales (3 references)
Shipping | Wales | Aberdyfi (2 references)
Shipping | Wales | Anglesey (7 references)
Shipping | Wales | Barmouth (2 references)
Shipping | Wales | Caernarfon (3 references)
Shipping | Wales | Caernarvonshire | History | Sources (1 reference)
Shipping | Wales | Cardiff (10 references)
Shipping | Wales | Cardiff | Employees (1 reference)
Shipping | Wales | Ceredigion (1 reference)
Shipping | Wales | Dinorwig (1 reference)
Shipping | Wales | Flintshire (3 references)
Shipping | Wales | Gwynedd (9 references)
Shipping | Wales | Newport (2 references)
Shipping | Wales | Pembrokeshire (4 references)
Shipping | Wales | Pensarn (Denbighshire) (1 reference)
Shipping | Wales | Swansea (1 reference)
Shipping | Wales | Trefriw | History | 19th century (1 reference)
Shipping | Wales, North (4 references)
Ships | Cargo (1 reference)
Ships | Great Britain | 19th century (1 reference)
Ships | Materials | England | Millwall (1 reference)
Ships | Materials | Wales | Pontypridd (1 reference)
Ships | Scrapping | Wales | Ceredigion (1 reference)
Ships | Wales (2 references)
Ships | Wales | Aberdyfi (1 reference)
Ships | Wales | Anglesey (5 references)
Ships | Wales | Barmouth (3 references)
Ships | Wales | Barmouth | Photographs (1 reference)
Ships | Wales | Beaumaris (1 reference)
Ships | Wales | Caernarfon (3 references)
Ships | Wales | Cardigan (1 reference)
Ships | Wales | Carmarthen (1 reference)
Ships | Wales | Dee River | Photographs (1 reference)
Ships | Wales | Llanelli (1 reference)
Ships | Wales | Milford Haven (1 reference)
Ships | Wales | Newport (1 reference)
Ships | Wales | Pictorial Works (1 reference)
Ships | Wales | Porthmadog (4 references)
Ships | Wales | Pwllheli (1 reference)
Ships | Wales, North | 20th century | Sources (1 reference)
Shipwrecks (1 reference)
Shipwrecks | Wales (2 references)
Shipwrecks | Wales | Ceredigion (1 reference)
Shipwrecks | Wales | Glamorgan (1 reference)
Shipwrecks | Wales | Llŷn (1 reference)
Shipwrecks | Wales | Pembrey (1 reference)
Shipwrecks | Wales, South (1 reference)
Shipyards | Wales | Chepstow (1 reference)
Shipyards | Wales | Holyhead (1 reference)
Shipyards | Wales | Saltney, Hawarden (1 reference)
Shirenewton (Wales). Civil Parish | Archives (1 reference)
Shirenewton School Board | Archives (1 reference)
Shirley and Sons | Archives (1 reference)
Shoemakers | Wales | Alltwalis | Records and correspondence (1 reference)
Shoemakers | Wales | Caernarfon (1 reference)
Shoemakers | Wales | Chwilog (1 reference)
Shoemakers | Wales | Llanfihangel Llantarnam (1 reference)
Shoemakers | Wales | Llanuwchllyn (1 reference)
Shoemakers | Wales | Pontrobert (1 reference)
Shoemakers | Wales | Pontypool (1 reference)
Shoemakers | Wales | Tanygrisiau (1 reference)
Shooting | Wales | Aberystwyth (1 reference)
Shooting | Wales | Gower (1 reference)
Shops, Retail | Wales | Cardiff (3 references)
Shops, Retail | Wales | Carmarthen (1 reference)
Shops, Retail | Wales | Cwmbran (1 reference)
Shops, Retail | Wales | Fishguard (2 references)
Shops, Retail | Wales | Llandysul (Ceredigion) (1 reference)
Shops, Retail | Wales | Llanelli (2 references)
Shops, Retail | Wales | Pembrey (1 reference)
Shops, Retail | Wales | Swansea (1 reference)
Shore protection | Wales | Designs and plans (2 references)
Short stories, English | Welsh authors (3 references)
Short stories, Welsh | 20th century (2 references)
Shorthand (1 reference)
Shorthand | Bibliography (1 reference)
Shorthand | History | Research (1 reference)
Shorthand, Welsh (1 reference)
Shotton Steelworks Action Committee | Records and correspondence (1 reference)
Shrewsbury (England) | Commerce | Directories (1 reference)
Shropshire (England) | Genealogy (1 reference)
Sicily (Italy) | Description and travel (1 reference)
Silage | Wales | Monmouthshire (1 reference)
Silica | Wales | Minera (1 reference)
Silicosis (2 references)
Silkworms | Wales | Dolgellau (1 reference)
Siloam Baptist Church (Killay, Wales) | Archives (1 reference)
Siloh (Church : Melincryddan, Wales) | Archives (1 reference)
Silver mines and mining | Wales | Cardiganshire (2 references)
Silverware | Wales | Anglesey (1 reference)
Simon, Cassie, | 1898-1989 | Archives (2 references)
Singers | Wales (2 references)
Singing | England (1 reference)
Sinnett, Charles Ernest, | 1910-1977 | Archives (1 reference)
Siop Tabernacl (2 references)
Sir Harry ab Gwilym Friendly Society | Records and correspondence (1 reference)
Sir John Perrot Trust | Archives (1 reference)
Sirhowy Railway | Records and correspondence (1 reference)
Sirhowy Tramroad Company | Records and correspondence (1 reference)
Sisters | France (1 reference)
Sisters | Wales (1 reference)
Skelmersdale Welsh Calvinistic Methodist Church (Skelmersdale, England) | Archives (1 reference)
Skenfrith School Board | Archives (1 reference)
Sketty Baptist Church (Swansea, Wales) | Archives (1 reference)
Sketty Park Estate (Wales) | Archives (2 references)
Sketty Park House (Swansea, Wales) | Archives (1 reference)
Skomer Island (Wales) | Photographs (1 reference)
Skour Breiz ar Chendalch Keltiek (Society) | Records and correspondence (1 reference)
Skreen Estate (Wales) | Archives (1 reference)
Skyrme family, | of Llawhaden | Archives (1 reference)
Slate industry | Wales | Aberllefenni (2 references)
Slate industry | Wales | Anglesey (3 references)
Slate industry | Wales | Bangor (1 reference)
Slate industry | Wales | Bethesda (Gwynedd) (1 reference)
Slate industry | Wales | Blaenau Ffestiniog (6 references)
Slate industry | Wales | Caernarvonshire (5 references)
Slate industry | Wales | Denbighshire (1 reference)
Slate industry | Wales | Felinheli (1 reference)
Slate industry | Wales | Ffestiniog (1 reference)
Slate industry | Wales | Gwynedd (9 references)
Slate industry | Wales | Gwynedd | Archives (23 references)
Slate industry | Wales | Gwynedd | Valuation (1 reference)
Slate industry | Wales | Llanbeblig (2 references)
Slate industry | Wales | Llanfihangel-y-Pennant (1 reference)
Slate industry | Wales | Llanrug (1 reference)
Slate industry | Wales | Meirionethshire (1 reference)
Slate industry | Wales | Merioneth (1 reference)
Slate industry | Wales | Montgomeryshire (1 reference)
Slate industry | Wales, North (6 references)
Slaughtering and slaughter-houses | Wales | Beaumaris (1 reference)
Slavery (1 reference)
Slebech Estate (Wales) | Archives (2 references)
Slebech Estate (Wales) | Records and correspondence (1 reference)
Slides (Photography) | Wales | Powys (2 references)
Sloggett, Thomas Henry, | 1832-1912 | Archives (1 reference)
Smallholdings | Wales | Glamorgan (1 reference)
Smallwood, R. H. G., | (Robert Henry Gough), | Archives (1 reference)
Smelting | Wales, South (1 reference)
Smith family, | of Castellau | Archives (2 references)
Smith, Charles Henry, | of Gwernllwynchwith | Archives (1 reference)
Smitham, David | b. 1952 | Archives (1 reference)
Smithfield Road Presbyterian Church (Wrexham, Wales) | Archives (1 reference)
Snell & Sons, music publishers | Archives (1 reference)
Snowdon Mountain Railway Company | Records and correspondence (1 reference)
Snowdon, Antony Armstrong-Jones, | Earl of, | 1930- | Correspondence (1 reference)
Soar Congregational Chapel (Uwchygarreg, Wales) | Archives (1 reference)
Soar Independent Chapel (Seven Sisters, Wales) | Archives (1 reference)
Soccer | Wales, South (1 reference)
Social conflict | Wales | 20th century (1 reference)
Social Democratic Party (Great Britain). | Monmouthshire | Archives (1 reference)
Social ethics (1 reference)
Social history | Wales | 20th century (1 reference)
Social history | Wales | Bangor (1 reference)
Social history | Wales, South | 20th century (1 reference)
Social policy | 19th century (1 reference)
Social problems (1 reference)
Social problems | Wales | Llandegai | History | 19th century (1 reference)
Social problems | Wales | Llantrisant (Anglesey) (1 reference)
Social problems | Wales, North | 19th century (3 references)
Social reformers | 19th century (1 reference)
Social scientists | Great Britain | Archives (1 reference)
Social service, Rural | Wales | Aberporth (1 reference)
Social service, Rural | Wales | Blaenpennal (1 reference)
Social surveys | Wales (1 reference)
Social surveys | Wales | Bryn-mawr (Blaenau Gwent) (1 reference)
Social surveys | Wales | Crickhowell (1 reference)
Social surveys | Wales | Gwynedd (1 reference)
Social surveys | Wales | Llangwnnadl (1 reference)
Social welfare | Wales | Pembrokeshire (2 references)
Social work administration | Wales | Gwynedd (1 reference)
Social work with older people | Wales | Pembrokeshire (1 reference)
Socialism (1 reference)
Socialism and education | Great Britain (1 reference)
Socialism | Great Britain (2 references)
Socialism | Socialists | Wales, South (1 reference)
Socialism | Wales (6 references)
Socialism | Wales, South (5 references)
Socialists | Great Britain | Obituaries (1 reference)
Societe des Concerts Francais (Society) | Archives (1 reference)
Societies | Canada (1 reference)
Societies | England | Bradford (1 reference)
Societies | England | Stoke-on-Trent (1 reference)
Societies | History, organisation, etc. (1 reference)
Societies | Hong Kong (1 reference)
Societies | United States (1 reference)
Societies | Wales (4 references)
Societies | Wales | Anglesey | Records and correspondence (2 references)
Societies | Wales | Bangor (3 references)
Societies | Wales | Barmouth (1 reference)
Societies | Wales | Caernarfon (1 reference)
Societies | Wales | Ceredigion (3 references)
Societies | Wales | Cwm (Monmouthshire) (1 reference)
Societies | Wales | Denbighshire (1 reference)
Societies | Wales | Llandudno (1 reference)
Societies | Wales | Nantlle (1 reference)
Societies | Wales | Pwllheli (1 reference)
Societies | Wales | Swansea (1 reference)
Societies | Wales | Welshpool (1 reference)
Societies | Wales | Wrexham (1 reference)
Societies | Wales, North (2 references)
Society for the Diffusion for Useful Knowledge | Archives (1 reference)
Society of Ancient Britons | Archives (1 reference)
Society of Friends | England | Herefordshire (1 reference)
Society of Friends | England | Worcestershire (1 reference)
Society of Friends | Wales (2 references)
Society of Friends | Wales | 18th century (1 reference)
Society of Friends | Wales | Breconshire (1 reference)
Society of Friends | Wales | Cardiff (1 reference)
Society of Friends | Wales | Carmarthen (1 reference)
Society of Friends | Wales | Glamorgan (1 reference)
Society of Friends | Wales | History (1 reference)
Society of Friends | Wales | Meifod (1 reference)
Society of Friends | Wales | Merioneth (1 reference)
Society of Friends | Wales | Monmouthshire (1 reference)
Society of Friends | Wales | Montgomeryshire (1 reference)
Society of Friends | Wales | Neath (1 reference)
Society of Friends | Wales | Pembrokeshire (1 reference)
Society of Friends | Wales | Pentre (1 reference)
Society of Friends | Wales | Powys (4 references)
Society of Friends | Wales | Swansea (1 reference)
Soldiers | Billeting | Wales | Anglesey (1 reference)
Soldiers | Correspondence (2 references)
Soldiers | Wales | Anglesey | Photographs (1 reference)
Soldiers | Wales | Caernarfon (1 reference)
Soldiers | Wales | Glamorgan | Archives (1 reference)
Soldiers | Wales | Gwynedd (2 references)
Soldiers | Wales | Societies, etc. (1 reference)
Soldiers | Wales, South (1 reference)
Soldiers' monuments | Wales | Llandegfan (1 reference)
Soldiers' writings | Wales | 19th century (1 reference)
Solicitors | England | Chester | Archives (2 references)
Solicitors | England | Liverpool | Archives (1 reference)
Solicitors | England | Oswestry | Archives (1 reference)
Solicitors | England | Shrewsbury | Archives (3 references)
Solicitors | England | Yeovil (1 reference)
Solicitors | Wales | Aberystwyth | Archives (1 reference)
Solicitors | Wales | Bala | Archives (3 references)
Solicitors | Wales | Bangor | Archives (1 reference)
Solicitors | Wales | Blaenau Ffestiniog | Archives (2 references)
Solicitors | Wales | Brecon | Archives (1 reference)
Solicitors | Wales | Bridgend | Archives (1 reference)
Solicitors | Wales | Caernarfon | Archives (4 references)
Solicitors | Wales | Cardiff (5 references)
Solicitors | Wales | Carmarthenshire (3 references)
Solicitors | Wales | Ceredigion | Archives (1 reference)
Solicitors | Wales | Chepstow (2 references)
Solicitors | Wales | Conwy (2 references)
Solicitors | Wales | Corwen (3 references)
Solicitors | Wales | Criccieth | Archives (1 reference)
Solicitors | Wales | Denbigh (1 reference)
Solicitors | Wales | Denbighshire (1 reference)
Solicitors | Wales | Fishguard | Archives (1 reference)
Solicitors | Wales | Gorseinon (1 reference)
