1. Central State Archive of the October Revolution, High Organs of State Government, and Organs of the State Administration of the U.S.S.R.
2. Central State Museum of the Revolution of the U.S.S.R., Archives.
3. Museum named for Feodor Ivanovich Tyutchev (1803–73), Muranovo, Russia.
4. Museum named for Feodor Ivanovich Tyutchev (1803–73), Muranovo, Russia.
5. Central State Archive of Film and Photographic Documents of the U.S.S.R.
6. Min. Imp. Dvora udelov. Koronatsionnyi sbornik. (Court Ministry of Crowned Lands. Coronation Collection.)
7. Central State Archive of Film and Photographic Documents of the U.S.S.R.
8. Central State Archive of Film and Photographic Documents of the U.S.S.R.
9. Central State Archive of Film and Photographic Documents of the U.S.S.R.
10. Album du Bal Costumé au Palais D’Hiver, février 1903. Volume 1, I. (St.
Petersburg, Expédition pour la confection des papiers d’état, 1904).
11. Album du Bal Costumé au Palais D’Hiver, février 1903. Volume 1, II. (St. Petersburg, Expédition pour la confection des papiers d’état, 1904).
12. Central State Archive of Film and Photographic Documents of the U.S.S.R.
13. Central State Archive of Film and Photographic Documents of the U.S.S.R.
14. Central State Archive of Film and Photographie Documents of the U.S.S.R.
15. The Luton Hoo Foundation, Wernher Collection.
16. Central State Archive of Film and Photographie Documents of the U.S.S.R.
17. Central State Archive of Film and Photographie Documents of the U.S.S.R.
18. Central State Archive of Film and Photographie Documents of the U.S.S.R.
19. Central State Archive of Film and Photographie Documents of the U.S.S.R.
20. Central State Archive of Film and Photographie Documents of the U.S.S.R.
21. Central State Archive of Film and Photographie Documents of the U.S.S.R.
22. The Luton Hoo Foundation, Wernher Collection.
23. Central State Museum of the Revolution of the U.S.S.R., Archives.
24. Central State Archive of Film and Photographic Documents of the U.S.S.R.
25. Central State Archive of Film and Photographic Documents of the U.S.S.R.
26. Central State Museum of the Revolution of the U.S.S.R., Archives.
27. Central State Museum of the Revolution of the U.S.S.R., Archives.
28. Archives of the Novosti Russian Information Agency.
29. Archives of the Novosti Russian Information Agency.
30. Central State Archive of Film and Photographic Documents of the U.S.S.R.
31. Archives of the Novosti Russian Information Agency.
32. Archives of the Novosti Russian Information Agency.
33. Archives of the Novosti Russian Information Agency.
34. Archives of the Novosti Russian Information Agency.
35. State Archives of the October Revolution, Fund of Alexandra Feodorovna.
36. The Luton Hoo Foundation, Wernher Collection.
37. Archives of the Novosti Russian Information Agency.
38. Archives of the Novosti Russian Information Agency.
39. Central State Archive of Film and Photographic Documents of the U.S.S.R.
40. Central State Archive of Film and Photographic Documents of the U.S.S.R.
41. Archives of the Novosti Russian Information Agency.
42. Archives of the Novosti Russian Information Agency.
43. Central State Archive of Film and Photographic Documents of the U.S.S.R.
44. Central State Archive of the October Revolution, High Organs of State Government, and Organs of the State Administration of the U.S.S.R.
45. The Luton Hoo Foundation, Wernher Collection.
46. Central State Museum of the Revolution of the U.S.S.R., Archives.
47. The Luton Hoo Foundation, Wernher Collection.
48. Central State Museum of the Revolution of the U.S.S.R., Archives.
49. Central State Museum of the Revolution of the U.S.S.R., Archives.
50. The Luton Hoo Foundation, Wernher Collection.
51. The Luton Hoo Foundation, Wernher Collection.
52. The Luton Hoo Foundation, Wernher Collection.
53. The Luton Hoo Foundation, Wernher Collection.
54. Central State Museum of the Revolution of the U.S.S.R., Archives.
55. The Luton Hoo Foundation, Wernher Collection.
56. Central State Museum of the Revolution of the U.S.S.R., Archives.
57. Radzinsky Archives, Moscow.
58. Central State Museum of the Revolution of the U.S.S.R., Archives.
59. Radzinsky Archives, Moscow.
60. Radzinsky Archives, Moscow.
61. The Luton Hoo Foundation, Wernher Collection.
62. The Luton Hoo Foundation, Wernher Collection.