References for Margaret Tudor
Sir B.Burke: The Dormant and Extinct Peerage. London, 1866
Sir B.Burke: A Genealogical History of the Peerages and Knightages of the British Empire. London, 1953
Sir B.Burke: Burke's Peerage and Baronetage. London, 1999
W.K. v.Isenburg: Europäische Stammtafeln, Band II, Tafel 63. Marburg, 1953 (1965)
H. Grote: Stammtafeln. Leipzig, 1877
D.Schwennicke: Europäische Stammtafeln, Vol. II, Tafel 87. Marburg, 1984
D.Schwennicke: Europäische Stammtafeln, Vol. II, Tafel 94. Marburg, 1984
A.M.Stokvis: Manuel d'histoire. Amsterdam, 1966