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).

Typed memoirs "Itogi semidesiatiletiia" discuss such topics as Isheev's family and education; the 1905 Revolution in Riga and Jelgava; his contacts with the world of theatre and journalism in Russia; World War I and the Civil War; and the emigration in Bulgaria, France, and the United States, where he was again involved with cultural activities and journalism.

Correspondence, manuscripts, subject files, and printed materials of Voĭt︠s︡ekhovskiĭ. Correspondents include Tati︠́a︡na Dubrovskai︠a︡, Nikolaĭ Obruchev, Vasiliĭ Orekhov, Igor ́Sikorskiĭ, Boris Solonevich, and many others; there are also memoirs by Voĭt︠s︡ekhovskiĭ on emigres whom he knew. There are files on the Rossiĭskiĭ Politicheskiĭ Komitet (Russian Political Committee) in New York; on the Pushkin Fund; extensive materials concerning emigre monarchist and anti-Communist groups (for example, the Solidarists); and reviews of the Russian emigre press ("Obzor pressy") prepared by Voĭt︠s︡ekhovskiĭ in 1962-1975.

The papers of Vasiliĭ F. Butenko (1894-1976), Russian émigré socialist and political activist, include correspondence, manuscripts, documents, photographs,and printed materials. The bulk of the collection relates to various émigré political organizations in which Butenko was involved: the Labor Peasant Party (Trudovai︠a︡ krestʹi︠a︡nskai︠a︡ partii︠a︡), the Russian Consolidated Mutual Aid Society in America (Russkoe obʺedinennoe obshchestvo vzaimopomoshchi v Amerike), the Anti-Bolshevik Struggle Coordinating Center (Koordinettsionnyi Tsentr Antibol'shevistskoi Bor'by or KTsAB), and others.