Não informado. (1962). Family History. Institute of Heraldic and Genealogical Studies.
Chicago-referens (17:e uppl.)Não informado. Family History. Nothgate, Inglaterra: Institute of Heraldic and Genealogical Studies, 1962.
MLA-referens (8:e uppl.)Não informado. Family History. Institute of Heraldic and Genealogical Studies, 1962.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.