Your search returned 2 results.

1.
Islwyn : detholion o'i farddoniaeth by Islwyn Publication: Caerdydd Gwasg Prifysgol Cymru, 1948 . 67 p. , Islwyn a.k.a. William Thomas. 18 cm. Availability: Items available: Main Library [891.6605 GPC (P)] (1),
2.
"Y storm" gyntaf gan Islwyn by Yr Academi Gymreig = The Welsh Academy Publication: Caerdydd Gwasg Prifysgol Cymru ar ran yr Academi Gymreig, 1980 . xi, 174 p. , Islwyn a.k.a. William Thomas. | Old accession number 8569 | Donation Ex libris Proinsias Mac Cana. Item 33144. Signed by Proinsias Mac Cana. 22 cm. Availability: Items available: Main Library [891.661 I] (1), Room 21 - MacCana Collection [PMC 891.661 I] (1),