The papers of Maslovskiĭ consist of correspondence, manuscripts, photographs, and subject files. Among the correspondents are Mark Aldanov, General Nikolaĭ I︠U︡denich, and many former Russian officers. Manuscripts consist largely of Maslovskiĭ's bound typescript memoirs"Nekotorye stranit︠s︡y moeĭ zhizni" (ca. 2,200 p.); the manuscript version of the first six volumes of the memoirs is also included, as is a memoir about his service in Persia in 1909-1914. Subject files include correspondence, manuscripts, and printed materials about his research on World War I, his book, General I︠U︡denich, and other topics.

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.