F.
Boase, Modern English biography
: containing many thousand concise memoirs of persons who have died since the year 1850, 6 vols. (privately printed, Truro, 1892–1921); repr.
(1965)
J.
Burke, A general [later edns A genealogical] and heraldic dictionary of the peerage and baronetage of the United Kingdom [later edns the British empire]
(1829–)
National Portrait Gallery, London
University of Southampton Library
National Register of Archives, private collection
British Library, London
J. W.
Fortescue, A history of the British army, 13 vols.
(1899–1930)