The collection includes correspondence, manuscripts, documents, photographs, and printed materials. Most of the correspondence dates from the 1950s and early 1960s, when Boi︠a︡rint︠s︡ev was head of the Ob'edinenie chinov Kornilovskago udarnago polka, an emigre veterans' organization, and relates to the affairs of this and similar groups. The manuscripts include campaign memoirs and a memoir called, "Epokha 1937-1965 gg." dealingwith events in the world of the White veteran's groups written by Boi︠a︡rint︠s︡ev; and a memoir of the First World War by a Captain I︠A︡. G. Shinin. Official documents relating to the military service of both Boi︠a︡rint︠s︡ev and Shinin are found in the collection, as well as some regimental and army orders of the Revolution-Civil War period. There is a photograph of Genral L.G. Kornilov; a large number of photographs of the White Army encampment at Gallipoli, of the Imperial family, White officers' reunions, funerals, dedication ceremonies etc. Printed materials include: a folder of printed engravings of varied content (portraits of the Imperial family, White officers, members of the White Russian community in Shanghai; and illustrations of various incidents in the Civil War; a complete set through 1965 of the emigre newsletter "Kornilovt︠s︡y" (Nos. 1-6; 1952_65); 7 issues of the "Vestnik pervopokhodnika" (Nos. 82-91; Aug. '68-May '70); and books, pamphlets, and jubilee volumes concerning Tsar Nicholas II, the White movement, General Kornilov, and the Mladorossy.

in 1792-1793. There are documents relating to several members of the Beloselśkiĭ-Belozerskiĭ family. The part of the collection concerning the Horse Guards primarily relates to emigre activities in Europe and America during the 1930s. The materials include manuscripts for a history of the Guards, biographical sketches, minutes, newsletters, orders and several hundred photographs, many of which date back to the mid 19th century. Among the printed materials are journals, illustrations and a number of scrapbooks. The collection also contains several dozen oversized albums, illustrations, documents and photographs.

Lists, subject files, photographs, etchings and printed materials relating to the Pazheskii Korpus (imperial Corps of Pages), a school for the sons of the Russian nobility founded in 1802, and the Soiuz Pazhei (Union of Pages), the emigré alumni organization founded in 1920. The materials were collected by representatives of the Union of Pages. The collection consists chiefly of mimeographed newsletters, books, printed mementoes, such as programs, menus, tickets, and school forms, and of pictorial materials, especially photographs and etchings. The great majority of the materials pertain to the Imperial Corps of Pages and to Russia's imperial family, and include many unusual photographs portraying school life and the life of the family of Nicholas II. There are also old photographs of Moscow, St. Petersburg, and Tsarskoe Selo, printed reports of the State Council for 1894-99, newsletters published by the Union of Pages and miscellaneous Russian and foreign publications, originally part of the library of the museum of the Union of Pages in Paris.

The collection consists of approximately 100 articles by Seni︠u︡tovich (often signed Seni︠u︡tovich-Berezhnyĭ) on topics including genealogy, heraldry, military history, the history of Russia and the Ukraine, and the Russian emigration. There is also correspondence both to and from Seni︠u︡tovich, newsletters from the Ukrainian Genealogical and Heraldic Society, an autobiographical essay by Seni︠u︡tovich, and three photographs.