Tham khảo Dagmar của Đan Mạch

Barkovets, A. I.; Tenikhina, V. M. (2006). Empress Maria Fiodorovna. St. Petersburg: Abris Publishers.
Battiscombe, Georgina (1969). Queen Alexandra. Constable & Company.
Hall, Coryne (2001). Little Mother of Russia: a Biography of Empress Marie Feodorovna. London: Shepheard-Walwyn. ISBN 978-0-8419-1421-6.
King, Greg (2006). The Court of the Last Tsar: Pomp, Power and Pageantry in the Reign of Nicholas II. Hoboken, NJ: John Wiley & Sons. ISBN 978-0-471-72763-7.
Korneva, Galina; Cheboksarova, Tatiana (2006). Empress Maria Feodorovna's Favourite Residences in Russia and Denmark. St. Petersburg: Liki Rossi.
Lerche, Anna; Mandal, Marcus (2003). A Royal Family – The Story of Christian IX and his European descendants. Aschehoug. ISBN 87-15-10957-7.
Malevinsky, P. (1900). “Императорский ширококолейный поезд для путешествий по России постройки 1896 - 1897 гг. Составлено под руководством Временного Строительного Комитета по постройке Императорских поездов инженером П. Малевинским” [Imperial broad-gauge train for travel in Russia, constructed in 1896-1897] (PDF) (bằng tiếng Nga). МПС России (Russia's Ministry of the Means of Transportation). Chú thích journal cần |journal= (trợ giúp)
Van der Kiste, John (2004). The Romanovs: 1818–1959. Stroud, UK: Sutton Publishing. ISBN 075093459X.
Vorres, Ian (1985). The Last Grand Duchess. London: Finedawn Publishers.

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