St John's Church, Penrhyn-coch, Ychwanegu i'r clipfwrdd 1-5. Cyfres 1862-1989. Rhan oFlorrie Hamer Papers,
Miscellaneous papers, mainly relating to Penrhyn-coch, Ychwanegu i'r clipfwrdd 6-22. Cyfres 1860s-1992. Rhan oFlorrie Hamer Papers,