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56. Robert K. Massie «Nicholas and Alexandra», Pan Books Ltd., 1967.
57. Princess Catherine Radziwill «The intimate life of the last Tsarina», Cassell & Co. Ltd., London, 1929.
58. Ian Vorres «The last Grand-Duchess», Her Imperial Highness Grand-Duchess Olga Alexandrovna, 1 June 1882 - 24 November 1960, Hutchinson & Co., London, 1964.
59. Denis and Peggy Warner «The Tide at Sunrise». A history of the Russo-Japanese War, 1904-1905, published by Angus and Robertson (U.K.) Ltd., 1975.
60. Serge Sazonov «Fateful Years», 1909-1916, The Reminiscences, Jonathan Cape, London, 1928.
61. Maurice Paleologue «An Ambassador's Memoirs, Hutchinson & CO., London, 1925.
62. Maria Rasputin «My father», Cassel & CO., Ltd., London, 1934.
63. Rene Fulop-Miller «Rasputin the holy Devil», Garden City Inc., New York, 1928.
64. Maria Rasputin and Patte Barham «Rasputin the Man Behind the Myth», a Personal Memoir, Prentice-Hall, Inc., New Jersey, USA, 1977.
65. Maurice Paleologue «Aux Portes Du Jugement Dernier», Elisabeth Feodorowna Grande-Duchesse de Russie, Librairie Plon, Paris, 1940.
66. Sir Samuel Hoare «The Fourth Seal», the end of a Russian Chapter, William Heinemann Ltd., London, 1930.
67. Madame Lili Dehn «The Real Tsaritsa», Little, Brown & Co., Boston, 1922.
68. Marie, Grand Duchess «Education of a Princess», Viking Press, New York, 1931.
69. The Red Archives, Russian State Papers and Other Documents relating to the Years 1915-1918. Selected and edited by C.E. Vulliamy, translation by Dr. A.L. Hynes, Geoffrey Bles, London, 1929.
70. Sir Bernard Pares «The Fall of the Russian Monarchy», Vintage Books, New York, 1961.
71. Countess Alexandra Olsoufieff «H.R.H. The Grand Duchess Elisabeth Feodorovna of Russia» John Murray, London, 1922.
72. Captain Paul Bulygin «The murder of the Romanovs», Hutchinson & Co., London, 1935.
73. Richard Pipes «The Russian Revolution», 1899-1919, Collins Harvill, London, 1990.