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, 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, 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.

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."

Correspondence, manuscripts, photographs, subject files and printed materials. The correspondence includes letters from Michael Florinsky, Mikhail Karpovich, Bernard Pares, Geroid Robinson and George Vernadsky as well as one each from Lidii︠a︡ Lopukhova, Lewis Mumford and George Orwell. There is abundant correspondence relating to the Cunard Whitestar Line, notably from Anthony Cunard. The manuscripts include drafts of several of Fedotoff-White's books as well as copious notes and book reviews. There are subject files relating to his curriculum vitae, financial affairs, and his university studies. Among the printed materials are books (including several of his own), clippings, pamphlets, and brochures.

Correspondence, manuscripts, documents, and printed materials of the Russian writer Vladislav Khodasevich, which were collected by or sent to Karpovich. There are 6 letters by Khodasevich to Karpovich, and 2 to other people. Manuscripts and documents by Khodasevich include poetry, notes, essays, autobiographical information, listings of his publications, earnings, daily work, and references to him in print. Printed materials consist of clippings and an annotated copy of his "Poeticheskoe khozi︠a︡istvo Pushkina" (1924). There are also 2 items in the collection by Raisa Blokh, and 1 by Georgiĭ Ivanov.