Tocynnau darlithiau, Bob Owen, 1933-1958.
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Part of Papurau Bob Owen, Croesor,
Tocynnau darlithiau, Bob Owen, 1933-1958.
Part of Papurau Bob Owen, Croesor,
Tocynnau aelodaeth amrywiol gymdeithasau, 1839-1961.
Part of Papurau Bob Owen, Croesor,
Tlodion sir Feirionnydd, c. 1770-1840.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
'Time Books', 1909-19; 1939-41.
Part of Papurau Bob Owen, Croesor,
Gweler hefyd rhif 38.
Thomas, Cerrig Engan a Carrog, Llanbadrig, Môn, 18-19g.
Part of Papurau Bob Owen, Croesor,
Thomas Roberts, Llwynhudol (1765/6-1841).
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Thomas Roberts [Llwynrhudol] a hynt y Madogiaid (1765/6-1804). (tt. 1-8); [T.R.] Symbylydd ... y Gymdeithas Gymreigyddol (tt. 37-40); ei waith llenyddol, &c. (tt. 57-87); Cymru a'r Mudiad Heddwch, 1814 hyd 1824.
Thomas Jones, Llanfrothen, c. 1774-1853.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Bywyd cymdeithasol a cherddorol godreu'r Hiraethog, Cefn Brith, Pentrefoelas, Ysbyty Ifan. Y Faner, c. 1924-30. Beirniadaethau Eisteddfod Godre Hiraethog, 1922; Eisteddfod Gadeiriol Llansannan, 1926; Eisteddfod Pentrefoelas, d.d.
Part of Papurau Bob Owen, Croesor,
'Lloffion Doe: Thomas Jones, Amwythig (1647-1713)'; rhan gyntaf ysgrif (30 Medi 1930), (llyfr ysgrifennu).
Part of Papurau Bob Owen, Croesor,
'Lloffion Doe: Thomas Jones yr Amwythig, 1648-1713', teipysgrif, 4 tt.
Thomas C. Jenkins, Pittsburgh.
Part of Papurau Bob Owen, Croesor,
The Cambrian, June 1890, tt. 161-3: 'Thomas C. Jenkins, Pittsburgh', copi.
Thomas Briscoe ac Edward Charles.
Part of Papurau Bob Owen, Croesor,
Thomas Briscoe (1814-95); Edward Charles (1758-1828) (y diwedd yn eisiau), teipysgrif, 4 tt. a chopi, 2 tt.
Part of Papurau Bob Owen, Croesor,