Correspondence, manuscripts, photographs, a document, a subject file, printed materials and scrapbooks of Tarydina. The correspondence includes letters from Rodion Berezov, Georgiĭ Grebenshchikov, Olǵa Spesivt︠s︡eva, Aleksandra Tolstai︠a︡ and I︠A︡kov T︠S︡vibak. While most of the manuscripts are Tarydina's own, there is an essay by Natalii︠a︡ Logunova, and a copy of one by Maksimilian Voloshin about Tarydina's father, General Nikandr Marks. There are several dozen photographs that chronicle emigre theatrical events she produced during the 1940's in New York in collaboration with her husband, I︠A︡kov Shigorin. There is a 1917 contract with the Bolśhoĭ Letniĭ Teatr and a subject file concerning Tarydina's father. The clippings and scrapbooks relate to Tarydina's theatrical career at the Moscow Malyĭ Theater, in Odessa and in New York as well as to her essays published in the emigre press.

The papers include correspondence, subject files, photographs, and printed materials. The majority of the collection concerns the mission of the American Red Cross to Russia in 1917-1918; Thacher served as a secretary of the mission. There are letters and telegrams by W.B. Thompson and Raymond Robins, records of supplies, shipments, and distribution reports and over 600 photographs from Russia, China, and Romania. There is substantial correspondence from 1918-1919 concerning Russia, including letters by Louis Brandeis, Felix Frankfurter, and Lillian Wald. A substantial part of the collection concerns Russian war relief in 1941-1942, an area in which Thacher was active. Printed materials include a pamphlet and an article on Russia prepared by Thacher after his return from that country in early 1918.

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, documents, and photographs of Viktor K. Leontovich. The correspondence and documents concern Leontovich's service with the police in Baku province and then as commandant of Novorossiisk. There are photographs from the Civil War period.

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.