Correspondence, manuscripts, photographs and printed materials of Volzhanin. The correspondence includes two letters from Aleksandra Tolstai︠a︡. The manuscripts are all by Volzhanin himself, and include memoirs describing his World War I military service, his service in the White Army in Siberia, his arrest and imprisonment until about 1937, his service with the Germans during World War II, and his eventual emigration to the United States. Other manuscripts deal with noted figures in Russian history, the emigre press, and literature. There are a few photographs of Volzhanin and a number of clippings.

The collection consists of correspondence, manuscripts by Messner and others, memoirs by Messner, photographs and printed materials. Manuscripts by Messner include a typescript (275 p.) entitled "Nekotorye prichiny porazhenii︠a︡ Germanii v voĭnu 1939-1945 g.g." Messner's memoirs (3293 p. and 350 p.) cover the years 1914-1973. Included among them are clippings, photographs, mimeographed materials and pamphlets. The majority of his memoirs concern World War I and the Civil War. Photographs are mostly copies. Printed materials consist mostly of clippings of articles by Messner in South American monarchist periodicals.

Correspondence, manuscripts, photographs, and printed materials of Toporkov. Much of the collection consists of materials Toporkov collected and used for a three-volume history of the Fifth Hussar Regiment (Pi︠a︡tĭ gusarskiĭ aleksandri ĭskiĭ polk), of which he had been a member. There are also materials concerning members of the regiment who emigrated after the 1917 Revolution. The correspondence (1919-1952) includes letters to and from members of several emigre military organizations. the manuscripts include essays and memoirs about the regiment during World War I and the Civil War (including several by Toporkov himself) as well as Toporkov's three-volume history of his regiment from the eighteenth century through 1929, the regiment museum, individual members of the regiment, regiment celebrations (1926-1935), the Court of Honor, and regiment financial affairs (1925-1948). Among the printed materials are clippings and materials relating to a number of emigre organizations.