Most of the letters, which comprise the bulk of the collection, were written to Chekver in the late 1940s and 1950s by such emigre writers as David Knut, Aleksei Remizov, and Iurii Terapiano. Also included are verses by some of Chekver's correspondents (such as Knut, Igorʹ Chinov, and Vasilii Sumbatov), photographs of Knut, and books of verses by Chekver and Iurii Trubetskoi.

The collection partially consists of letters, most of which are to Nadezhda. Among the correspondents are Nikolaĭ Losskiĭ, Alekseĭ Remizov, and Nikolaĭ Roerich. Also included are manuscripts of his writings, such as "I︠U︡ra" and "Pod novymi zvezdami."

Correspondence and manuscripts of Zaĭt︠s︡ev. This collection covers from the 1920's into the 1960's. There is correspondence from many other emigre writers. The largest groups of cataloged letters are by Mark Aldanov (105 items), Ivan Bunin (161), Archimandrite Kiprian (104), Alekseĭ Remizov (48), and Nadezhda Teffi (101). There are also items by Boris Bugaev (Andreĭ Belyĭ), Vi︠a︡cheslav Ivanov, Vladislav Khodasevich, Sergeĭ Lifaŕ and Boris Pasternak. Zaĭt︠s︡ev's manuscripts in the collection include some of his major works, such as "Puteshestvie Gleba" "Dom v Passi" "Zhizn ́Turgeneva" and "Zhukovskiĭ". In addition, the collection has a book and a pamphlet, both inscribed by Zaĭt︠s︡ev.

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.

Collection includes 1 letter each from Konstantin Balḿont and Alekseĭ Remizov, and copies of letters by Ivan Bunin. Manuscripts by Grebenshchikov in the collection include "Churaevy," and "Mikula, the turbulent giant." Also included are manuscripts by Balḿont and Remizov.

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).

The papers of Il'ia Grigor'evich Savchenko (1889-1961). The collection consists of correspondence, manuscripts, photographs, caricatures, and materials relating to a number of Russian émigré organizations. The materials relating to émigré organizations include correspondence, financial records, and mimeographed textbooks prepared by the professors of the Russkii iuridicheskii fakul'tet v Prage (Russian Juridical Institute in Prague), and correspondence and printed materials of the Soiuz ob"edinenii russkikh okonchivshikh vysshie uchebnye asvedeniia (OROVUZ; Union of Societies of Russians Who Have Graduated from Institutes of Higher Education), which Savchenko headed. In addition, there are materials relating to other émigré groups in Europe and the United States with which Savchenko was associated.

Correspondence, manuscripts and printed materials of Boris Petrovich Vysheslavtsev. There are letters from Nikolai Berdiaev, Carl Jung, Anton Kartashev, Konstantin Korovin, Jacques Maritain, Aleksei Remizov, Grigol Robakidze, Theodore Strawinsky, and Ariadna Tyrkova-Williams. The manuscripts include essays and lectures on various topics including the Orthodox church, Russian literature and culture, philosophy, and the hereafter. There are numerous diaries, primarily from the 1930's and 1940's. The printed materials include clippings, off-prints, and various journals and books.

Correspondence, manuscripts, documents, photographs, subject files, and printed materials of members of the Zernov family, especially Nikolaĭ M. Zernov. Correspondence includes letters from Nikolaĭ Berdi︠a︡ev, Archimandrite Kiprian, Alekseĭ Remizov, Vasiliĭ Zenḱovskiĭ, and copies of many letters from Gustave Kullmann to his wife Marii︠a︡, nʹee Zernova. Manuscripts include: memoirs by Sofii︠a︡ A. Zernova about her childhood, youth, and family; Sofii︠a︡ M. Zernova's albums, poems, diaries and memoirs about the Civil War and the emigration in Europe; manuscripts by Nikolaĭ Zernov on religious and literary themes; a report by a Lt. Shokotov on his White Army detached service in 1917-1919; a brief manuscript by Vladimir M. Zernov claiming that syphillis was a contributing factor in Lenin's death; and manuscripts and speeches by Kullmann. Subject files include biographical information collected by Nikolaĭ Zernov on many emigre Orthodox churchmen and religious writers, and materials relating to Kullmann and the Zernov family.