^ abcdJohn Bergamini, The Tragic Dynasty: A History of the Romanovs (1969), pp. 370 & 464
^Catherine Radziwill (as Paul Vasili), Behind the veil at the Russian court (London and New York: Cassell & Co., 1913), p. 106
^Lindsey Hughes, The Romanovs: Ruling Russia 1613–1917 (New York: 2008), p. 185
^ abSergei Mironenko, Andrei Maylunas, tr. Darya Galy, A Lifelong Passion: Nicholas and Alexandra: Their Own Story (Doubleday, 1997, ISBN0-385-48673-1), p. 133
^Raymond de Ponfilly, Guide des Russes en France (Horay, 1990), p. 407: "Villa Georges : boulevard Dubouchage, n° 10 Villa achetée en janvier 1891 par la princesse..."