S. T.
Bindoff, ed., The history of parliament
: the House of Commons, 1509–1558, 3 vols.
(1982)
National Museum and Gallery of Wales, Cardiff
J. E.
Lloyd & others, eds., The dictionary of Welsh biography down to 1940
(1959) [Eng. trans. of Y bywgraffiadur Cymreig hyd 1940, 2nd edn (1954)]; R. T.
Jenkins, E. D.
Jones, & B. F.
Roberts, eds., Dictionary of Welsh biography, 1941–1970
(2001) [with suppl. to 1940]
Bodleian Library, Oxford
British Museum, London
private collection
P. W.
Hasler, ed., The history of parliament
: the House of Commons, 1558–1603, 3 vols.
(1981)
Irish Manuscripts Commission
British Library, London
National Archives of the United Kingdom, Public Record Office, London