The collection consists of correspondence, manuscripts, several photographs, documents, financial records, subject files and printed material. The correspondence is chiefly from the period 1925-1958 and includes letters from Mark Aldanov, Anton Denikin, Ivan Shmelev and one or two items each from Ivan Bunin, Pavel Mili︠u︡kov, Alekseĭ Remizov etc. The documents and financial records are primarily personal and the subject files include materials on a number of commemorative celebrations and on various exile organizations in France.

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).