Correspondence, manuscripts, documents, photographs, subject files, printed materials, and memorabilia of historian George Vernadsky (Georgii Vladimirovich Vernadskii; 1887-1973). Most of the collection consists of his personal and professional papers, circa 1918-1973. Sizable groups of materials also concern members of his family, especially his wife Nina (1884-1971); his father, scientist Vladimir I. Vernadskii (1863-1945); his mother Nataliia E. Vernadskaia (1860-1943); and his sister Nina V. Toll' (1898-circa 1976).

The collection contains correspondence, manuscripts, a subject file, minutes of meetings, membership applications, addresses, membership records, financial records and printed materials, all relating to the Society. Cataloged correspondents include Mark Aldanov, Mikhail Karpovich, George Fedotov, and other.

Correspondence, research materials, and personal papers of Marc Isaakovich Raeff (1926-2008), a Russian history scholar and Bakhmeteff Professor of Russian Studies at Columbia University.

Correspondence, manuscripts, subject files and printed materials of Velḿin. The correspondence includes letters from Mark Aldanov, Mikhail Karpovich, Ekaterina Kuskova, Vasiliĭ Maklakov, Mikhail Taube, and Mark Weĭnbaum. Most of the manuscripts are by Velḿin himself and concern the Russian emigration in Poland, the 1917 Revolution and Civil War, and German concentration camps during World War II. The collection likewise contains Velḿin's diary (handwritten in eleven volumes) covering the 1900-1960 period. There are subject files devoted to Vasiliĭ Maklakov and to the activities of the Russian scouts, and there are numerous publications, such as journals, pamphlets, clippings and books.

The papers consist of correspondence, manuscripts, documents, subject files, photographs, a sound tape, and printed materials. There are many letters from Anton Kartashev; other correspondents include Mikhaĭl Karpovich, Philip Mosely, and Vasiliĭ Zenḱovskiĭ. There are manuscripts by Kartashev, Karpovich, and George Vernadsky, as well as by Novit︠s︡kiĭ himself on the Orthodox Church and the emigration. Subject files touch on his organizational activities. There are photographs of Novit︠s︡kiĭ with Dwight Eisenhower, Nelson Rockefeller, and Jacob Javits, and also of Zenḱovskiĭ. The sound tape is an interview with Novit︠s︡kiĭ on Voice of America about his father-in-law, Georgiĭ Shavelśkiĭ. Some of the materials concern Novit︠s︡kiĭ's brother, Evgeniĭ, and wife, Marii︠a︡.

The papers consist of correspondence, manuscripts, documents, and printed materials. Correspondence includes 3 letters from Mikhaĭl Karpovich, and letters from Khmelńit︠s︡kai︠a︡'s son Sergeĭ, a writer in the Soviet Union. Among the manuscripts is Khmelńit︠s︡kai︠a︡'s autobiography, which discusses her childhood in Odessa and her education; and her translation of the letters of William Frey, a Russian immigrant in Kansas in the 1870s.

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.

The collection consists of correspondence, manuscripts, memoirs, notes, lectures, subject files, documents, diplomas and awards, and printed materials. Cataloged correspondents include Dmytro Chyzhevsʹkyĭ and Nikolaĭ Losskiĭ. Most of the correspondence concerns scientific topics and Novikov's publications in emigration. Manuscripts are primarily by Novikov on biological topics. There are also manuscripts by various persons, including Nikolaĭ Losskiĭ and Mikhail Karpovich (1956), and "Dvukhsotletie Moskovskogo Universiteta," edited by Novikov. Memoirs include a manuscript of Novikov's "Ot Moskvy do Nʹi︠u︡ Ĭorka," (published in 1952). Lectures are on biological topics. Subject files deal in part with the celebration in the West of the Bicentennial of Moscow University, Radio Liberty broadcasts and UNRRA University in Munich. Printed materials include copies of publications by Novikov.

The papers comprise correspondence, writings, memoirs, personal documents, research notes, printed materials, photographs of Iurii Shevel'ov, prominent scholar, Slavic linguist, philologist, literary historian, and literary critic, longtime professor of Slavic philology at Columbia University.

Correspondence, manuscripts, photographs, and printed materials. Cataloged correspondents in the collection include letters from prominent figures, including Mark Aldanov, Mark Vishniak, and others. Among the manuscripts are A. Argunov's, "Iz perezhitogo," on Russian socialists in 1914-1917; a report by Kovarskii read to the Society of Russian Doctors in France, 1940 (Obshechestvo Russkikh Vrachei im. Mechnikova); and items on Soviet themes by Mark Vishniak, dated 1965-67. There is a photograph of Il'ia Fondaminskii, of Aleksandr Kerenskii, and of members of the Russian Constituent Assembly in France, 1922. One subject file concerns the death of Vladimir Zenzinov. Printed materials include catalogs and book lists from "Rodnik."