- BOCS 18.
- Series
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Ysgolion; Cyfrifon; Cerddoriaeth.
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.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Teipysgrifau.
Part of Papurau Bob Owen, Croesor,
Adnau Ionawr 1974 (Mrs Ellen Owen a Mr Owain Tudur Owen). Gweler hefyd Bocsys 14, 20 a 30.
Nodiadau ar Ysgolion; Plwyfi; Bywgraffiadau; Hynafiaethau; Cymdeithasau.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Mynegai i lawysgrif; ysgrifau.
Part of Papurau Bob Owen, Croesor,
Morwyr a llongau; Anghydffurfwyr.
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 Dr Thomas Richards, Bangor.
Part of Papurau Bob Owen, Croesor,