Honourable Society of Cymmrodorion (London, England)

• The late Right Honourable Sir John Rhŷs ...
• The transactions of the Honourable Society of Cymmrodorion
• Catalogue of the books and periodicals deposited by the Honourable Society of Cymmrodorion in the National Library of Wales, Aberystwyth, 1938
• Cofrestr o Gymdeithas
• Constitutions of the Honourable Society of Cymmrodorion in London
• Diddanwch Teuluaidd
• Eisteddfod Genedlaethol 1927
• Goronwy Owen and his bicentenary
• Index to the publications of the Honourable society of cymmrodorion
• The Dictionary of Welsh biography down to 1940
• The dictionary of Welsh biography, 1941-1970
• The Transactions of the Honourable Society of Cymmrodorion. Session 1892-93