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).

The collection consists of correspondence, a diary, manuscripts, memoirs, notes, a subject file, photographs and printed materials. Correspondence is primarilly addressed to Orlov and his wife. Manuscripts and memoirs, chiefly by Orlov, deal with Civil War topics. Orlov's diary covers the years 1918-1921. Notes are on World War II, and the subject file concerns the death of Orlov. Photographs include a group picture of a Gallipoli Society meeting in Prague. Printed materials include clippings, mimeographed materials, pamphlets and copies of periodicals, all relating to the Gallipoli Society.

Correspondence, a diary, documents, subject files and printed materials of Ivan P. Budanov. Correspondence includes both personal letters and items concerning the Cossacks in the emigration. Many of the documents relate to Budanov's legal practice in the Don region, ca. 1910-17. Subject files deal with the Don Cossacks in the Civil War, Cossack emigre groups, and the elections to the post of Ataman of the Don Cossacks in the emigration in the 1930s. Printed materials include maps, a copy of volume 1 of Budanov's "Don i Moskva" and miscellaneous emigre publications and clippings.

The collection consists of correspondence, manuscripts, documents, photographs, subject files and printed material. The correspondence is primarily from the 1920s and includes letters from G. E. Lv́ov and S. P. Mel'gunov and one or two items each from M. A. Aldanov, I. A. Bunin, N. V. Chaikovskii, A. L. Tolstaiia, V. F. Zeeler and others. The manuscripts are primarily in the form of notes in Polner's hand and include Polner's diary from the years 1919-1925. The documents belong to Tikhon Polner's brother, Sergei, and deal with the latter's expulsion from the USSR in 1921. There is extensive material in the subject files on the writings of Lev Tolstoĭ, including typescript copies of several Tolstoi manuscripts and clippings of the reviews of Polner's book on Tolstoi. Also included is a photograph of A. I. Herzen from the 1850s.

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.