[W. J. Gruffydd] at Syr John Edward Lloyd,
[W. J. Gruffydd] at Syr John Edward Lloyd,
[W. J. Gruffydd] at Syr Alfred Davies,
[W. J. Gruffydd] at Syr Alfred Davies,
[W. J. Gruffydd] at Roger Sherman Loomis, Efrog Newydd,
[W. J. Gruffydd] at Roger Sherman Loomis, Efrog Newydd,
[W. J. Gruffydd] at R. S. Loomis, U. D. A,
[W. J. Gruffydd] at R. S. Loomis, U. D. A,
[W. J. Gruffydd] at R. Hopkin Morris, BBC, Caerdydd,
[W. J. Gruffydd] at R. Hopkin Morris, BBC, Caerdydd,
[W. J. Gruffydd at R. Gwylfa Roberts, Cofiadur yr Orsedd],
[W. J. Gruffydd at R. Gwylfa Roberts, Cofiadur yr Orsedd],
[W. J. Gruffydd at Percy E. Watkins, Bwrdd Addysg, Llundain],
[W. J. Gruffydd at Percy E. Watkins, Bwrdd Addysg, Llundain],
[W. J. Gruffydd] at Linnie Hughes, Llundain, SE3,
[W. J. Gruffydd] at Linnie Hughes, Llundain, SE3,
[W. J. Gruffydd] at [J.] Goronwy Edwards, Coleg yr Iesu, Rhydychen,
[W. J. Gruffydd] at [J.] Goronwy Edwards, Coleg yr Iesu, Rhydychen,
[W. J. Gruffydd at Irene George, Aberystwyth],
[W. J. Gruffydd at Irene George, Aberystwyth],
[W. J. Gruffydd] at Ifan Ab Owen Edwards,
[W. J. Gruffydd] at Ifan Ab Owen Edwards,
[W. J. Gruffydd] at Ifan Ab Owen Edwards,
[W. J. Gruffydd] at Ifan Ab Owen Edwards,
[W. J. Gruffydd] at Ifan Ab Owen Edwards,
[W. J. Gruffydd] at Ifan Ab Owen Edwards,
[W. J. Gruffydd] at Ifan Ab Owen Edwards,
[W. J. Gruffydd] at Ifan Ab Owen Edwards,
[W. J. Gruffydd] at Gwynoro Davies,
[W. J. Gruffydd] at Gwynoro Davies,
[W. J. Gruffydd] at Gwynoro Davies,
[W. J. Gruffydd] at Gwynoro Davies,
[W. J. Gruffydd at Gofrestrydd Coleg Caerdydd, D. J. A. Brown],
[W. J. Gruffydd at Gofrestrydd Coleg Caerdydd, D. J. A. Brown],
[W. J. Gruffydd at Gofrestrydd Coleg Caerdydd, D. J. A. Brown],
[W. J. Gruffydd at Gofrestrydd Coleg Caerdydd, D. J. A. Brown],
[W. J. Gruffydd] at [Gilbert] Norwood,
[W. J. Gruffydd] at [Gilbert] Norwood,
[W. J. Gruffydd] at Encyclopaedia Britannica,
[W. J. Gruffydd] at Encyclopaedia Britannica,
