Dau Lyfr cownt oddiwrth Mr. J.R. Jones, Factory, Tanygrisiau, am y blynyddoedd 1899-1902 (cymharer MSS. 1899-1904).
This material is held atArchifdy Prifysgol Bangor / Bangor University Archives
- Reference
- GB 222 BMSS/2388-2389
- Dates of Creation
- 1899-1902