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.

Collection includes correspondence, manuscripts, notes, documents, financial records, photographs, subject files and printed materials. There are notes from Evgeniĭ Chirikov and Aleksandr Kuprin, and the autographs of Mark Aldanov, Ivan Bunin, and Nikolaĭ I︠U︡denich. There are manuscripts and notes by Mashukov and others, chiefly on the Civil War. Subject files also touch on the Civil War, as does much of the printed material.

Papers include correspondence, manuscripts, documents, photographs, subject files, maps, and printed materials. Cataloged correspondents include Georgiĭ Lv́ov, Anton Kartashev, and Petr Struve. The correspondence concerns to a large extent I︠U︡denich's aid to fellow emigres in France during the 1920s and 1930s. Manuscripts include a memoir about I︠U︡denich by his widow, Aleksandra, and I︠U︡denich's diary from 1919. Included also are two sets of the files of the Northwestern Army from 1919-20, and additional subject files concerning the Civil War. There are financial records of both the Northwestern Army and of I︠U︡denich himself. The photographs are of the Caucasian front, which I︠U︡denich commanded in 1914-17. Maps are of both the Caucasian front in World War I and of the Baltic region and the campaigns of the Northwestern Army.

The Osobyi Komitet po Delam Russkikh v Finliandii Records (Special Committee on Russian Affairs in Finland records) consists of correspondence, reports, minutes of meetings, financial records, subject files, bulletins, news announcements, and printed materials (including a detailed history of the Committee); the majority of the collection dates from 1919. Correspondents include Anton Kartashev, president of the Committee in 1919-1920, and I︠U︡denich. There are materials on the northwest front, reports on the status of Russian refugees in Finland, the proposed takeover and rehabilitation of Petrograd, and records of the Committee's financial activities. Substantial materials concern its Political Committee and I︠U︡denich's Northwest government.

The papers contain correspondence, reports, and financial records. The materials almost entirely date from 1919-22 and concern the Civil War and its immediate aftermath. There are several letters from General Nikolaĭ I︠U︡denich to Pilkin, and many letters and reports which passed between Pilkin and his assistants. The majority of the collection is made up of financial records, such as income and disbursements for the "Morskai︠a︡ organizat︠s︡ii︠a︡" in Paris (1919-22), and the "Morskoĭ fond" in Helsinski (1920-24); and subsidies disbursed to White naval personnel living in Estonia (1920-23).