Correspondence, manuscripts, documents, photographs, subject files and printed material of Russian émigré writer, journalist, and Kadet Party leader Ariadna Vladimirovna Tyrkova-Williams. The collection also contains material by her husband, Harold Williams, and her son, Arkadiĭ Borman.

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.

Correspondence, manuscripts, lectures, lecture notes, and subject files of Russian-American historian Mikhail Mikhailovich Karpovich (1888-1959). Karpovich was an employee of the embassy of the Russian Provisional Government in Washington, D.C., Professor Emeritus of Russian History and Literature at Harvard University, and founding editor of Novyĭ zhurnal.

Correspondence, manuscripts, photographs, documents, subject files and printed materials of Sergei Grigor'evich Svatikov (1878/1880?-1942), Russian lawyer, historian, publicist, and public figure. The correspondence includes letters from Mark Aldanov, Vladimir Burtsev, Ivan Efremov, Georgii Grebenshchikov, Grigorii Lozinskii, Sergei Mel'gunov, Nikolai Rubakin, George Vernadsky and Mark Vishniak. There is a notebook that belonged to Vera Zasulich. Among the photographs are pictures of Prince Adam Jerzy Czartoryski, Sergei Mel'gunov, and Aleksander Wielopolski. The manuscripts include several by Svatikov as well as many notes, lists and bibliographical compendia relating to his oeuvre. The subject files cover such areas as the Russian Reading Hall in Heidelberg, the Turgenev Library in Paris, and the Russkii akademicheskii soiuz (Groupe academique russe), also in Paris. The printed materials include clippings, materials from the Institute d'ʹetudes slaves, and a number of books by Svatikov.

Correspondence, manuscripts, notes, documents, photographs, subject files, art reproductions, and printed materials of Vladimir Veidle (also known as Vladimir Vasilʹevich Weidlé, 1895-1979), Russian critic of art and literature, writer and scholar.