The collection consists of correspondence, manuscripts, documents, a photograph, and printed material, primarily from the period 1941-1957. Included are letters from Ivan Bunin, Marc Chagall, Mikhail Karpovich, Vasiliĭ Maklakov, W. Somerset Maugham, Vladimir Nabokov, Ili︠́a︡ Repin, Edmund Wilson, Boris Zaĭt︠s︡ev and many others. Manuscripts of his works include "Istoki""Nachalo kont︠s︡a""Zhivi, kak khochesh"́, and "The Escape" (English translation of "Begstvo"), such shorter tales as "Noch ́v terminale""Povest ́o smerti", and "Ulḿskai︠a︡ noch"́, as well as numerous articles, book reviews and essays. There are financial records for "Novyĭ Zhurnal", which Aldanov helped found, and the clippings are mainly articles about Aldanov. There is one late photograph of Aldanov.

Collection includes correspondence, manuscripts, documents, photographs, and printed materials. There are letters from Rodion Berezov, Aleksandra Tolstai︠a︡, I︠A︡kov T︠S︡vibak, and Mark Weĭnbaum as well as one letter each from Georgiĭ Grebenshchikov, Dmitriĭ Shakhovskoĭ, and Igor ́Sikorskiĭ. There is a poem and letter drafts by Matviĭchuk, dating from 1945-1973. The arranged manuscripts include a brief memoir by Matviĭchuk entitled "Ushedshee." The essay discusses his family, the Civil War, and life in the Soviet Union during the 1920s. Matviĭchuk left the Soviet Union during World War II, and eventually emigrated to the United States. There is a box of clippings and several boxes of emigre newspapers and journals, many of which contain essays by Matviĭchuk.

Correspondence, manuscripts, documents, photographs and printed materials of Pavel P. Tutkovskiĭ, including poems, short stories, a historical novel, and music compositions. There is also a short biography of Tutkovskiĭ by his wife, Ekaterina Konstantinovna. Also included are Tutkovskiĭ's personal documents, and several photographs. Printed materials include concert programs, flyers, and reviews, and novels by Tutkovskiĭ, such as "Orden Novykh li︠u︡deĭ" and "Deti komety.".

Most of the collection consists of manuscripts by Lebedev and others on Russian and East European literary and political topics from about 1914 to the 1930s. There are three microfilm reels of materials on Gavrilo Princip and the asassination of Archduke Ferdinand in Sarajevo, 1914. Correspondents include Hamilton Fish Armstrong and George F. Kennan. There are several drafts of articles by Mark Slonim and materials on the Socialist Revolutionaries in the emigration from about 1930. Lebedev's personal documents cover from his army service (the Russo-Japanese War), through the 1917 Revolution and Civil War, and his later life in Europe and the United States. There are photographs from interwar Albania and Bulgaria, including ones of Aleksandŭr Stamboliski. Printed materials include a copy of Lebedev's book "Novym putem" and issues of "Voli︠a︡ Rossii.".