Gohebiaeth Dr Thomas Richards, Bangor.
- BOCS 36.
- Series
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,
Gohebiaeth gyffredinol at Bob Owen, yn cynnwys dros dair mil o lythyrau, cardiau post a thelegramau. Trefnwyd nhrefn yr wyddor, A-Y.