The collection includes correspondence, manuscripts, memoirs, diaries, notes, subject files, documents, photographs, and printed materials. Most of the material in the collection concerns Nikolaev's tenure as military attachʹe at the Russian embassy in Washington. Cataloged correspondents include Mikhail T. Florinsky and Geroid T. Robinson. There is a typescript by Vasiliĭ O. Kli︠u︡chevskiĭ, "Kratkoe posobie po russkoĭ istorii." Among the correspondence are cablegrams and official communications to the Russian embassy during World War I and the revolutionary period. Manuscripts, mostly by Nikolaev, concern contemporary and historical military topics. Diaries and memoirs deal with Nikolaev's travels to Europe during World War I and his activities as military attachʹe. Among orders granted to Nikolaev is the "Order of the Sacred Treasure," signed and sealed by the Japanese Emperor Meiji (1911). Printed materials include many articles by Nikolaev.

The collection consists primarily of manuscripts by Bragin, including his memoirs, which describe his military service during the Boxer Rebellion, the Russo-Japanese War, World War I, the 1917 Revolution and the Civil War. The documents and subject file relate to his service as head of the White military mission to Iran in 1920. Printed materials are largely clippings from and copies of emigre periodicals, with articles by Bragin.

The collection is composed almost exclusively of manuscripts submitted to Gering for publication in "Voennai︠a︡ Byl"́. These are mostly short memoirs of battles and campaigns, of life in military school, or of peacetime garrison life, by former tsarist officers. These naturally relate chiefly to the last few decades of the tsarist regime, and to the period of the Revolution and Civil War. Some contributions are more scholarly in tone; these include articles on the earlier history of the Russian army and of individual regiments, etc. Few of the manuscripts are more than 40 pages long; most are 1-20 pages. Not all of these manuscripts were published in "Voennai︠a︡ Byl"́; those that were not formed part of Gering's "archive" and have been arranged separately.

Her memoirs recount her childhood and education in Russia as a member of a Baltic-German family, her life in Finland after the February Revolution, her service as a nurse in St. Petersburg during World War I, and as a member of a Red Cross mission charged with caring for prisoners of war in Kiev and Moscow during the Civil War. She also describes her arrest and imprisonment in 1919 as well as her brother's experiences in Li︠u︡bi︠a︡nka prison during World War II. The memoirs (416p.) are in the form of a carbon copy typescript and are accompanied by original photographs. Also included in the collection are reprints of several articles published by her husband, Helmuth Stegman, in the 1960's.

The collection consists of correspondence, manuscripts by Messner and others, memoirs by Messner, photographs and printed materials. Manuscripts by Messner include a typescript (275 p.) entitled "Nekotorye prichiny porazhenii︠a︡ Germanii v voĭnu 1939-1945 g.g." Messner's memoirs (3293 p. and 350 p.) cover the years 1914-1973. Included among them are clippings, photographs, mimeographed materials and pamphlets. The majority of his memoirs concern World War I and the Civil War. Photographs are mostly copies. Printed materials consist mostly of clippings of articles by Messner in South American monarchist periodicals.

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).

Manukhin's papers consists of correspondence, manuscripts, printed materials, and a photograph. The bulk of the papers are manuscripts, in particular Manukhin's memoirs and a medical work, "Auto-Dʹefense de lʹOrganisme." The memoirs deal with Manukhin's medical studies at the Military-Medical Academy in St. Petersburg (Voenno-Medit︠s︡inskai︠a︡ Akademii︠a︡); his medical practice (among his patients was Maksim Gorḱiĭ); the period of the Revolution and Civil War in Petrograd; and his emigration to France. Printed materials consist of works by Manukhin. Manukhin's wife, Tatʹi︠a︡na, was editor of Metropolitan Evlogiĭ's memoirs ("Puti moeĭ zhizni"), and some of the correspondence touches on that work.

The collection contains correspondence, manuscripts, clippings, books and periodicals. There are two letters from Aleksandr Glazunov and one each from Aleksandr Grechaninov and Nikolaĭ Metner. The manuscripts deal with both cultural affairs and the Russian Revolution. Among the cultural topics are essays on music, Isadora Duncan, Maksim Gorḱiĭ and literary affairs. There are articles about general aspects of the Revolution and about such individuals as Lenin, Stalin, Chicherin, Dzerzhinskiĭ and Kamenev. Many of the articles are memoiristic in nature, particularly those about life in Moscow and in the provinces during the Revolution, Dzerzhinskiĭ and Kamenev. There are clippings of articles written by Sabaneev and a number of books and periodicals either written by Sabaneev or containing articles by him.

Papers include materials relating to the Russian forces in France (correspondence, reports, orders) in 1915-1918, and documents relating to Dutov's army in 1919-1920. Also included are three manuscripts by Karkhanin. Two are memoirs, on Dutov's army in 1919-1920 and its retreat to China in 1920; the third is about the Russian corps in France in World War I. There are also issues of "Russkai︠a︡ Mysl"́ with Karkharin's articles about the Russian forces in Macedonia and France in World War I, and a brief biography of Karkhanin by his wife.

The papers consist of correspondence, memoirs, and printed materials. The correspondence is made up of letters sent by his mother, Olǵa Kostyleva, from Petrograd in 1916-1919. Kostylev's extensive manuscript memoirs (522 p.) discuss his life from his childhood and university education in St. Petersburg up into World War I. Also included are issues and clippings from "Slovo" and "Rus"́ with articles by Kostylev, and clippings from "Poslednie Novosti" by various newspapers.