Charles William Ferdinand, duke of Brunswick. An historical study, 1735-1806 - Fitzmaurice, Edmond George Petty-Fitzmaurice, 1st Baron, 1846-1935. (London, New York [etc.] Longmans, Green & co., 1901)
Keywords: Carl Wilhelm Ferdinand, -- Duke of Brunswick and Lüneburg, -- 1735-1806.