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- 7Archive Collections
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- 11947-1962Ref:GB 210 CT4/9Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:33 ffShow on map
- 21936-1939, 1946-1950Ref:GB 210 NLW ex 2343Location:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Petts John 1914-1991.Extent:1 boxLanguage:English EnglishShow on map
- 31939-1951.Ref:GB 210 NLW MS 22863CLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Petts John 1914-1991.Extent:24 ff. Guarded and filedLanguage:EnglishShow on map
- 41934-1991Ref:GB 210 MSPETTSLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Petts John 1914-1991.Extent:8 volumesLanguage:English EnglishShow on map
- 51977-2004.Ref:GB 210 1/4Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 folderShow on map
- 61953Ref:GB 210 1/17Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:2 folders (3.5 cm.)Show on map
- 75 May 1968 /Ref:GB 210 NLW MS 23699E, f. 168Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:1 fLanguage:EnglishShow on map