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- 97Archive Collections
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- 11839-1979Ref:GB 219 XM/8039, XS/3442Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Tyddynyberth Thomas family.Extent:355 itemsLanguage:Welsh EnglishShow on map
- 21926-1963Ref:GB 222 BMSS JATLocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Dr John Alun Thomas.Extent:35 itemsLanguage:EnglishShow on map
- 31904-1958Ref:GB 216 D/D Z 1053Location:West Glamorgan Archive ServiceName of creator:Thomas family of Gorseinon.Extent:5 itemsLanguage:EnglishShow on map
- 41982 [includes transcriptions of letters dated 1851-1903]Ref:GB 222 BMSS WRWLocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Thomas ARB.Extent:71 itemsLanguage:EnglishShow on map
- 5[1900] x [1934]Ref:GB 210 NLW MS 8715ALocation:National Library of Wales / Llyfrgell Genedlaethol CymruShow on map
- 61912Ref:GB 210 NLW MS 712DLocation:National Library of Wales / Llyfrgell Genedlaethol CymruShow on map
- 71814-1870Ref:GB 222 BMSS TRCLocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Roberts Thomas.Extent:1 itemLanguage:EnglishShow on map
- 819 cent.Ref:GB 210 NLW MS 7286ELocation:National Library of Wales / Llyfrgell Genedlaethol CymruLanguage:English, WelshShow on map
- 91750-1920Ref:GB 213 D/RTP/TRTLocation:Pembrokeshire Archives and Local Studies / Archifdy Sir Benfro ac Astudiaethau LleolName of creator:Thomas Thomas Reece.Extent:Not providedLanguage:EnglishShow on map
- 101948-1970Ref:GB 206 Liddle Collection RUS 37Location:University of Leeds Special CollectionsName of creator:Preston Sir Thomas.Extent:1 file; manuscript, typescript, and a press cuttingLanguage:Russian EnglishShow on map
- 11n.d.Ref:GB 216 WAW 39Location:West Glamorgan Archive ServiceName of creator:Elizabeth Family of (Lisa Thomas).Extent:1 envelopeLanguage:EnglishShow on map
- 1229 September 1908Ref:GB 192 AMB/5Location:Explore York ArchivesExtent:1 item Archives - Non-digitalShow on map
- 131878-1895.Ref:GB 210 NLW MS 23699E, ff. 103-112Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:10 ffLanguage:Welsh, EnglishShow on map
- 14[20 cent., first ¼] /Ref:GB 210 NLW MS 10553ELocation:National Library of Wales / Llyfrgell Genedlaethol CymruLanguage:WelshShow on map
- 15[c. 1730]-1971Ref:GB 219 XM/1573Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Thomas Family People's Café Caernarfon.Extent:268 itemsLanguage:English WelshShow on map
- 1619th cent. /Ref:GB 210 GORMASLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Goring-Thomas family of Gellywernen.Extent:0.081 cubic metres (57 vols)Language:English EnglishShow on map
- 171708 - 1998Ref:GB 221 WD2Location:Archifau Ynys Môn / Anglesey ArchivesName of creator:William Thomas and Sons Thomas family of Llaneilian.Extent:10.346 cubic metres (1065 items)Language:English CymraegShow on map
- 18c.1920Ref:GB 192 AMB/2Location:Explore York ArchivesExtent:3 items Archives - Non-digitalShow on map
- 191939-1943.Ref:GB 210 A1/21Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 folder; 1 cmShow on map
- 201952 - 2011Ref:GB 221 WM2432Location:Archifau Ynys Môn / Anglesey ArchivesName of creator:Thomas Owen Roberts and family.Extent:1 boxLanguage:EnglishShow on map