Papers include correspondence, manuscripts, documents, photographs, subject files, and printed materials. The extensive correspondence relates to Mogilat's personal and professional activities and includes letters from many of her students and colleagues. Correspondents include Gleb Struve, Alexandra Tolstoy and Boris Unbegaun. Of special interest are letters by her first husband Baron von Taube, written from the front during World War I, and correspondence with various Russian acqaintances about the Soviet Union in the 1920s and 1930s in which they describe life in a communal apartment, and plans to rescue friends who have been arrested. Subject files concern Columbia's Russkiĭ Kruzhok and the Avtonomoff method of teaching Russian to Americans. There are letters, photographs, concert programs and music of Russian emigre composer and pianist Ariadna Mikeshina. Manuscripts are by various persons; most are by John Paul Mihaly, who had been Mogilat's student. There is also a manuscript of translations by Clarence Manning, "Four Poems by Blok." Documents and photographs concern Mogilat and her family, both before and after emigration. Printed materials consist mostly of off-prints of articles by Clarence Manning and others, primarily on literary topics. There are also books, mimeographed materials, periodicals, and clippings.

The collection includes correspondence, manuscripts, documents, photographs, subject files and printed materials. Correspondence consists mostly of letters to Elizaveta Miller. Memoirs and manuscripts are mostly by Miller and cover topics ranging from her childhood in St. Petersburg to her emigration to South Africa. Subject files include materials concerning her brother, Grigoriĭ Lozinskiĭ, a poet, translator and literary critic. Documents and photographs concern the Lozinskiĭ and Miller families. Printed materials consist of books, clippings, periodicals, and pamphlets; included is an "Almanach de St. Petersburg" (1911), with directories and a listing of names.

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.

The collection consists of correspondence, a diary, manuscripts, memoirs, notes, a subject file, photographs and printed materials. Correspondence is primarilly addressed to Orlov and his wife. Manuscripts and memoirs, chiefly by Orlov, deal with Civil War topics. Orlov's diary covers the years 1918-1921. Notes are on World War II, and the subject file concerns the death of Orlov. Photographs include a group picture of a Gallipoli Society meeting in Prague. Printed materials include clippings, mimeographed materials, pamphlets and copies of periodicals, all relating to the Gallipoli Society.

The Li Huang papers (李璜檔案) contain manuscripts of his political writings dating from 1929 to 1971, as well as reference materials for his memoir. The reference materials include collected books, periodicals, reports, letters, photographs, and news clippings. The collection mainly reflects Li Huang's political thoughts and his opposition to communism.

The correspondence is primarily with member clubs throughout Europe, and the manuscripts are chiefly minutes of federation and club meetings. Also included in the collection are several photographs, some financial records, a file on the women's team, clippings, programs and four issues of the federation's illustrated year-book.

The collection includes correspondence, photographs, manuscripts and printed materials. There are letters from Ekaterina Kuskova (Mrs. S.N. Prokopovich) and photographs of Mark Aldanov, Marie Curie, Aleksandra Kollontaĭ, Ekaterina Kuskova, Pavel Mili︠u︡kov, Mikhail Osorgin, Sergeĭ Prokopovich and Nadezhda Teffi among others. The manuscripts include drafts and typescripts for several dozen articles and chapters as well as untitled manuscripts and notes. The printed materials contain clippings and offprints of articles by Prokopovich, periodicals he edited, and copies of his major books.

Correspondence, manuscripts, documents, photographs, and printed materials of Baroness Sofii︠a︡ I. Taube, writer and editor in Russia and the emigration who wrote under the name Sofii︠a︡ Anichkova. Among her books was "Zagadka Lenina." While in Russia before the 1920s, she edited such literary periodicals as "Skazki zhizni" and "Almanakh." There are single letters in the collection from Georgiĭ Ivanov, Aleksandr Kuprin, Petr Struve, and other writers. Manuscripts consist primarily of writings by Anichkova-Taube, including her memoirs of literary life in Petrograd in 1917-24: "Vechera poetov v gody bedstvii." Other manuscript items and drawings by other writers also concern these "poets' evenings." Also included are memoirs by her husband Emmanuil N. Taube about Czechoslovakia at the end of World War II. There are numerous photographs of Anichkova-Taube. Printed materials consist of her books, books inscribed to her, scattered issues of periodicals which she edited or in which she published, and newspaper clippings.

The collection contains correspondence, manuscripts by Marchenko and others, documents, photographs, printed materials, notebooks, notes, and subject files. Correspondence consists of Marchenko's personal correspondence and the correspondence of the Kronstadt Group, an anti-communist emigre organization. Manuscripts consist mostly of articles by Marchenko on the economy of the Soviet Union, many of them published. Printed materials include mimeographed materials, pamphlets, clippings, maps, and copies of several anti-Communist periodicals. Marchenko's notes and notebooks cover topics on economics, the Soviet Union and the Russian language. Subject files include information on the Institute for the Study of the U.S.S.R. (Munich) and the Kronstadt Group.

The collection consists of correspondence, manuscripts, and an enormous number of notecards (that were collected over a twenty-year period for a proposed "Slovar' russkikh khudozhnikov") and several dozen notebooks containing entries to which the cards refer. Among the correspondents is Eugène Fabergé, whose letters contain information about the Fabergé dynasty of jewelers. Sakharov's manuscripts include essays on Ivan Bilibin, M. V. Rudaltsov, Mariia Bashkirtseva, Nikolai Globa and V. E. Borisov-Musatov. The cards containing information on artists are arranged alphabetically by artist and contain references to specific notebook entries. There are also bibliographic cards containing citations of articles on art in Russian and other languages. These are arranged by author. The notebooks are largely devoted to a particular artist or genre; others are designated by color and number, letter, number or not titled at all. There are also two sets of large notebooks which seem to belong to another series. There are a few photographs of artists (notably a 1939 photograph of Globa) and photographic reproductions of works by Bakst and Lukin among others. The collection contains approximately 11 exhibition catalogues dating from 1915 to 1940 and primarily relating to the exhibitions of Russian emigre artists in Paris. There are also 4 issues of "Illiustrirovannaia Rossiia" and some clippings dealing with Russian emigre artists.