The papers consist primarily of the Kosatkin-Rostovskiĭ's memoirs. His manuscript memoirs (150 p.) discuss his life up to 1906. Her typescript memoirs (440 p.) discuss her childhood, career as an actress in St. Petersburg, 1917-1918 in Petrograd, and the emigration in France. Also included are his diary for June-July 1940; a few letters written to him; clippings of his newspaper articles (many signed with the pseudonym "Antar"); and a book with his poetry and with essays dedicated to him; "Krestnym putem k voskresenii︠u︡" (Paris, 1948).

Correspondence, manuscripts, documents, photographs, drawings, sheet-music and printed material of Teffi (Nadezhda Aleksandrovna Lokhvitskaia, married name Buchinskaia; 1872-1952. Тэффи, Надежда Александровна Лохвицкая, в замужестве Бучинская), a Russian émigré writer.

The collection contains Simonovich's correspondence, manuscripts, doucments, subject files, and printed materials. There are letters to Simonovich from a friend who had settled in Yugoslavia, A. S. Poplavskiĭ, and Belgian postcards from before World War I. Manuscripts deal with Simonovich's experiences in the Imperial army on the Caucasian front and in the White army under general Slashchev. There are also essays devoted to the Russian emigre colonies in Belgium and in France. The subject files concern the Belgian section of the Gallipolian Society (Obʺshchestvo Gallipolit︠s︡ev) and Russian emigre events in Belgium. The printed materials include chiefly miscellaneous journals and clippings, some with articles by Simonovich.

Correspondence, manuscripts, documents, photographs, subject files and printed materials of Simon Lissim. Among the correspondents are Aleksandr Benois, Mikhail Larionov, Georgiĭ Lukomskiĭ and Saveliĭ Sorin. There are many manuscripts by Lissim himself including the tests for a number of lectures and speeches, sections of his memoirs and essays on aesthectics. The documents include passports documenting his emigration from Russia to France and the United States, and several awards and certificates. There are many photographs of Lissim as well as dozens of photographic reproductions of his work, uncluding Lenox and Sèvres porcelain, textile designs, silver work and graphic arts. There are subjecxt files relating to two books for which he did the illustrations, and there are many folders of clippings documenting his career.

Correspondence, manuscripts, documents, photographs and printed materials of Unkovskiĭ. The correspondence includes letters from such individuals as Emile Baës, Vladimir Burt︠s︡ev, Nikolaĭ Evreĭnov, Galina Kuznet︠s︡ova, Boris Lazarevskiĭ, Alekseĭ Remizov, Ivan Shmelov, Boris Zaĭt︠s︡ev, and Leonid Zurov. Nearly all the manuscripts are by Unkovskiĭ, and include essays, stories, and excerpts from his memoirs, many of which were published in emigre journals. There are a number of scrapbooks containing clippings of his articles. In addition, the collection contains galleys of books by Unkovskiĭ, and copies of some of his full-length works, including "Ikary" (1942) and "Andreĭ Klinskiĭ" (1940).