National Archives of the United Kingdom, Public Record Office, London
Bodleian Library, Oxford
King's College Archive Centre, Cambridge
Who was who
(1920–)
University of Warwick, Modern Records Centre, Coventry
British Film Institute, London, National Archive
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–)