References for Horatio 3rd Baron, 5th Baron, 2nd Earl Walpole * Walpole of Wolterton * Walpole of Walpole * of Orford

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Sir B.Burke: Burke's Peerage and Baronetage. London, 1999
F. Freytag v.Loringhoven: Europäische Stammtafeln, Band IV, Tafel 153. Marburg, 1957 (1968)