Three notebooks of manuscripts by Sokolova-Popova. Most of the material consists of a manuscript of a novel entitled "Kazaki Ermakovy." Also in the notebooks are shorter pieces by Sokolova-Popova. Some of the novel chapters and shorter pieces appeared in emigre journals such as "Kazachiĭ Istoricheskiĭ Sbornik" (France, )"Obshchekazachiĭ Zhurnal (USA) and "Kazaché Edinstvo" (France).

Collection of Russian and Eastern European emigre newspapers and periodicals published in Europe, North America, South America and Australia in the 20th century, also includes a number of newspapers published in Russia and the Soviet Union.

The collection of letters and documents addressed to, or relating to, Mrs. Mary Jane Bridges-Adams (1854–1939), British socialist and educationist, in connection with the British Labour movement and with the Russian Political Prisoners and Exiles Relief Committee in London. The collection also includes letters and documents of Georgii Chicherin (1872-1936), Russian diplomat, revolutionary, and second Commissar of Foreign Affairs, concerning his activities in London and Europe.

Correspondence, manuscripts and printed stories by Addington.

Manuscripts of books and short stories written and published by various authors, many with Columbia University connections. This collection began as the result of a letter sent to authors with Columbia connections asking if they would consider the University Libraries as a place of deposit for the manuscripts of their published works. The collection grows as new authors deposit their works and new manuscripts are added to those already on deposit

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 papers document the life and work of author, Columbia University professor, and literary critic, Quentin Anderson. This collection contains his personal and professional correspondence, his writings and research notes, documentation of his professional involvements, and some personal materials.

Correspondence and manuscripts of many authors who were asked to contribute to the proposed anthology, as well as letters from publishers to whom the project had been offered. Among the cataloged correspondents are: John Ashbery, W.H. Auden, Lawrence Ferlinghetti, David Ignatow, W.S. Merwin, Ron Padgett, and May Sarton.

Manuscripts. a diploma, a photograph, and a book of Balakan. The manuscripts consist of apparently unpublished stories and novels by Balakan. Balakan's diploma is from the Institut Franco-Russe des Sciences Sociales, Politiques et Juridiques (1934); the book is his "Sud idet" (Paris, 1969).

The collection includes correspondence from Konstantin Balḿont, Nikolaĭ Evreĭnov, Zinaida Gippius, Georgiĭ Grebenshchikov, Vasiliĭ Maklakov, Sergeĭ Potresov and Nadezhda Teffi. There is one letter each from Boris Bakhmeteff, Vera Bunina, Aleksandr Grechaninov, Aleksandr Kuprin and Alekseĭ Tolstoĭ. The manuscripts include poems and a play scenario by Nadezhda Teffi as well as Roshchina-Insarova's autobiographical essays and article about Sergeĭ Lifar.́ In addition, there are three scrapbooks containing clippings and programs of Roshchina-Insarova's performances, and approximately 40 photographs of her.