- BOCS 32.
- Series
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Gohebiaeth gyffredinol at Bob Owen, yn cynnwys dros dair mil o lythyrau, cardiau post a thelegramau. Trefnwyd nhrefn yr wyddor, A-Y.
Part of Papurau Bob Owen, Croesor,
Gohebiaeth Dr Thomas Richards, Bangor.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Morwyr a llongau; Anghydffurfwyr.
Part of Papurau Bob Owen, Croesor,
Mynegai i lawysgrif; ysgrifau.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Nodiadau ar Ysgolion; Plwyfi; Bywgraffiadau; Hynafiaethau; Cymdeithasau.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Adnau Ionawr 1974 (Mrs Ellen Owen a Mr Owain Tudur Owen). Gweler hefyd Bocsys 14, 20 a 30.
Part of Papurau Bob Owen, Croesor,
Teipysgrifau.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Cyfrolau o dorion papur newydd ar amrywiol destunau.