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- 23Archive Collections
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- 11913-1920 (predominantly 1913-1915).Ref:GB 210 BJ3/1Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 boxShow on map
- 21854-1881Ref:GB 210 NLW MS 7896CLocation:National Library of Wales / Llyfrgell Genedlaethol CymruShow on map
- 31872-1958Ref:GB 219 XM/4229; XS/2129Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Porthmadog Garlandstone Museum.Extent:[to be supplied]Language:Welsh EnglishShow on map
- 41938.Ref:GB 210 NLW MS 16367BLocation:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:i, 16 ff. Gardiwyd a ffeiliwyd yn LlGCLanguage:CymraegShow on map
- 51894-1899, 1969-1991Ref:GB 210 ENGPORTLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:English Presbyterian Church (Porthmadog Wales).Extent:0.009 cubic metres (1 box )Language:English Welsh English unless specified otherwiseShow on map
- 61860-1985Ref:GB 210 TABPORLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Eglwys y Tabernacl (Porthmadog Wales).Extent:0.056 metrau ciwbig (10 cyfrol, 3 bwndel, 2 ffolder); 1 bocs bychan (Mawrth 2009)Language:Welsh CymraegShow on map
- 71838, 1925-[1999]Ref:GB 210 GARDOGLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Eglwys y Garth (Porthmadog Wales).Extent:0.036 metrau ciwbig (4 bocs); 1 bocs mawr (Mawrth 2009)Language:Welsh Cymraeg oni nodir yn wahanolShow on map
- 81862-1990Ref:GB 219 XD/98Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Circuit Porthmadog Wesleyan.Extent:Not providedLanguage:English WelshShow on map
- 91877-1885Ref:GB 222 BMSS PMCLocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Chapel Porthmadog Memorial (Capel Coffa Caernarfonshire).Extent:1 itemLanguage:EnglishShow on map
- 101850-1977Ref:GB 219 XM/2418Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Harbour Porthmadog.Extent:933 itemsLanguage:English WelshShow on map
- 11[1891]-1933Ref:GB 210 /1Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 ffolder (1.5 cm.)Show on map
- 121817-1974Ref:GB 219 XB/16Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Porthmadog Urban District Council.Extent:To be suppliedLanguage:English WelshShow on map
- 131869 - 1926Ref:GB 222 BMSS SCPLocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Officers and members of Salem Chapel Porthmadog.Extent:4 itemsLanguage:WelshShow on map
- 141821-1965Ref:GB 219 XM1853Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Richards William Morgan.Extent:52 itemsLanguage:English WelshShow on map
- 151862-1976Ref:GB 219 XD/60; XD86Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Davies Brothers Slate Merchants Porthmadog.Extent:Information to be suppliedLanguage:EnglishShow on map
- 161812-1985 (crynhowyd 1928-1985)Ref:GB 210 JOHROGLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Roberts John 1910-1984.Extent:0.126 metrau ciwbig (14 bocs)Language:Welsh English Cymraeg, SaesnegShow on map
- 171754-1890Ref:GB 219 M/850Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Martin I William-Ellis of Wern Porthmadog.Extent:Not providedLanguage:English WelshShow on map
- 181854-1968Ref:GB 219 XM/10976Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Evan Jones and Son Timber Merchants.Extent:Information to be suppliedLanguage:EnglishShow on map
- 191902-1906 /Ref:GB 210 NLW MS 17412DLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Joseph Parry and W W Jones.Extent:10 ff. ; 333 x 209 mm. and lessLanguage:EnglishShow on map
- 20[1823] x [1828]Ref:GB 210 NLW MS 8623CLocation:National Library of Wales / Llyfrgell Genedlaethol CymruShow on map