The papers include correspondence, manuscripts, and printed materials. Correspondence consists of letters from a number of important cultural figures in the emigration, including: Ivan Bunin, Zinaida Guppius, Aleksandr Kuprin, Pavel Mili︠u︡kov, Alekseĭ Remizov, Nadezhda Teffi, and Alekseĭ Tolstoĭ; there are also one or two letters each from Konstantin Balḿont, Dmitriĭ Merezhkovskiĭ, Ili︠́a︡ Repin, Fedor Shali︠a︡pin, and Marina T︠S︡vetaeva. There are manuscripts of several works by Shpoli︠a︡nskiĭ, including his memoirs, "Poezd na tretém puti" (New York, 1954).

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.

There are letters from Russian emigre writers such as Mark Aldanov, Ekaterina Kuskova, Mikhail Osorgin, and Alekseĭ Remizov, and by western authors, including Henri Barbusse and Alexander Roda Roda. Manuscripts include memoirs, stories, and notebooks of Damanskai︠a︡. Printed materials consist of clippings of her articles, and one book by her entitled "Kartochnye domiki sovetskogo stroitelśtva" (1920).

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).