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- 88Archive Collections
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- 1[1852x1903] /Ref:GB 210 NLW MS 8365BLocation:National Library of Wales / Llyfrgell Genedlaethol CymruLanguage:WelshShow on map
- 21923-2010 (1940-1970 yn bennaf) (crynhowyd 1940-1994)Ref:GB 210 ISFFELLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Elis Islwyn Ffowc.Extent:0.090 metrau ciwbig (13 bocs)Language:Welsh Cymraeg oni nodir yn wahanolShow on map
- 329 Sep 1863-17 Dec 1884Ref:GB 217 LAC/136Location:Swansea University ArchivesName of creator:Various.Extent:1 envelopeShow on map
- 41973-1990Ref:GB 210 NLW ex 2147Location:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Jenkins Islwyn.Extent:1 folderLanguage:English EnglishShow on map
- 51971-[c. 1990] /Ref:GB 210 ISLINSLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Jenkins Islwyn.Extent:0.018 cubic metres (2 boxes)Language:EnglishShow on map
- 61997Ref:GB 214 D24Location:Glamorgan Archives / Archifau MorgannwgName of creator:Islwyn David Jones Tonypandy,Jones Islwyn David.Extent:2 booklets, 35 photographs, 22 papers and 1 fileLanguage:English
- 71953-1969.Ref:GB 210 1/3Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:0.5 cmShow on map
- 8[19 gan., hwyr] - [1937]Ref:GB 210 B4/6Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 amlen (2 eitem)Show on map
- 9[1955].Ref:GB 210 NLW ex 2615Location:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Elis Islwyn Ffowc.Extent:2 volsLanguage:English Welsh English, WelshShow on map
- 10[1938].Ref:GB 210 NLW MS 11900ELocation:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:Contact NLW for more informationLanguage:Welsh English Welsh, EnglishShow on map
- 11[1848] x [1899]Ref:GB 210 NLW MS 8184ALocation:National Library of Wales / Llyfrgell Genedlaethol CymruShow on map
- 12c. 1970Ref:GB 222 BMSS IFELocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Elis Islwyn Ffowc.Extent:1 itemLanguage:WelshShow on map
- 131973-1996Ref:GB 218 A200Location:Gwent Archives / Archifau GwentName of creator:Council Islwyn Borough.Extent:To be suppliedLanguage:EnglishShow on map
- 141997.Ref:GB 210 NLW Facs 939Location:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Edwards D Islwyn.Extent:1 gyfrolLanguage:CymraegShow on map
- 15[19 gan., hwyr] - [1937]Ref:GB 210 B4/1Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 bocsShow on map
- 16[c. 1952] /Ref:GB 210 NLW MS 22011CLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Williams Islwyn 1917-.Extent:iv, 225 ff. (originally foliated 1-221 with insertions) ; 255 x 205 mm. Filed at NLWLanguage:EnglishShow on map
- 171956-2004Ref:GB 210 1/3Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 ffolderShow on map
- 181958-1982.Ref:GB 210 PL1/1Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 gyfrol; 2 cmShow on map
- 191942-1963 /Ref:GB 210 ISLLIAMSLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Williams Islwyn 1903-1957.Extent:0.029 metrau ciwbig (1 bocs)Language:CymraegShow on map
- 201885-2015 (gyda bylchau)Ref:GB 210 ISLNESLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Jones Islwyn 1931-2015.Extent:4 bocsShow on map