The collection contains correspondence, manuscripts, documents, photographs, and printed materials. The correspondence chiefly covers from the 1920s to the 1960s. Manuscripts include an extensive autobiography; a memoir about his work before World War I as a prosecutor in the Tbilisi region"Desi︠a︡t ́let sluzhby v prokurskom nadzore na Kavkaze;" and notes and manuscripts on many topics, including history and his years in Georgia and the emigration. Included are Rozhdestvenskiĭ's personal documents from both Russia and the emigration, and photographs of him and of members of emigre organizations. Among the printed materials are clippings and several early twentieth century political pamphlets.

Correspondence, manuscripts, photographs, a subject file, and printed materials collected by Ermolov. The collection almost exclusively concerns the 1917 Revolution and the Civil War. Correspondence includes items by Isabel Hapgood and Konstantin Nabokov. The manuscripts include English-language translations of Russian materials from the period. There are 2 photographs: 1 of Grigoriĭ Rasputin at a tea party in 1916, and the other of the State Duma in 1917. The subject file concerns the Orthodox Patriarch Tikhon in 1917-19. Printed materials include Russian, English, and American clippings, pamphlets, journals, posters, and fliers.

This collection includes nine letters of Ralph Waldo Emerson as well as letters of Louis Agassiz, Amos Bronson Alcott, Oliver Wendell Holmes, Sr., Henry Wadsworth Longfellow, James Russell Lowell, John Lothrop Motley, Charles Sumner, and John Greenleaf Whittier. In addition, there are two incomplete manuscripts by Emerson and one document from the Liverpool Custom-house signed by Nathaniel Hawthorne as Consul for the United States. The collection also includes the corrected typescript, index, and page and galley proofs for Thomas Franklin Currier, A BIBLIOGRAPHY OF OLIVER WENDELL HOLMES (New York, 1953) which was edited by Professor Tilton. Also, some early correspondence and photographs of the Tilton family and friends. There are letters from the actors Annie Louise Ames, Richard J. Dillon, and Hans L. Meery to Tilton's grandfather, Bernard Paul Verne, as well as photographs, tintypes, and daguerreotypes of the Verne family and friends.

The collection includes correspondence, manuscripts, documents, photographs, subject files and printed materials. Correspondence consists mostly of letters to Elizaveta Miller. Memoirs and manuscripts are mostly by Miller and cover topics ranging from her childhood in St. Petersburg to her emigration to South Africa. Subject files include materials concerning her brother, Grigoriĭ Lozinskiĭ, a poet, translator and literary critic. Documents and photographs concern the Lozinskiĭ and Miller families. Printed materials consist of books, clippings, periodicals, and pamphlets; included is an "Almanach de St. Petersburg" (1911), with directories and a listing of names.

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 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, manuscripts, documents, photographs, and printed materials of Surguchev. The papers almost exclusively concern Surguchev's life in emigration; he lived in France from the 1920s onward. Correspondents include Ivan Bunin, Nikolaĭ Evreĭnov, Aleksandr Kuprin, and Vladimir Nemirovich-Danchenko. There are manuscripts of plays, stories, and film scenarios by Surguchev in Russian, French, and English. Documents include literary contracts, and one contract signed by Sergeĭ Lifar ́concerning a film scenario by Surguchev and Ivan Lukash. There are photographs of Surguchev and of scenes from his plays, and a subject file on the Russian Chamber Theater (Kamernyĭ Teatr) in Prague, 1922-23. Among the printed materials are many clippings of pieces by Surguchev, and his play "Igra" and pamphlet "Bolśheviki v Stavropole."

The collection includes correspondence (1940-1960), manuscripts by Shumilin, photographs, subject files, drawings and printed materials. Shumilin's major manuscripts concern the history of the Soviet educational system and include: "Kratkiĭ ocherk narodnogo obrazovanii︠a︡ v Rossii do olti︠a︡brśkoĭ revoli︠u︡t︠s︡ii," "O politekhnicheskom obrazovanii v SSSR," and "Vysshai︠a︡ sovet︠s︡kai︠a︡ shkola." Among the shorter manuscripts are: "Dve ti︠u︡rḿy," "Iz vospominaniĭ o sovet︠s︡kom teatre," "Obzor literatury O Chekhove," "O dukhovnom oblike russkoĭ zhenschiny," "Starai︠a︡ Varshava" and "Tragedi︠a︡ sovet︠s︡koĭ molodezhi." There are photographs of Shumilin taken in 1960. The subject files reflect Shumilin's major interests during the years he lived in Germany and the United States: church affairs, organizing recitals of religious music and music therapy. There are several folders of clippings, a number of pamphlets containing articles written by Shumilin and a number of copies of Shumilin's "Polytechnic Education in the USSR." Several of the manuscripts in the collection were published during the 1950-1965 period. These include: "O dukhovnom oblike russkoĭ zhenshchiny" (New York, 1957), "Soviet Higher Education" (Munich, 1962) and "Tragedii︠a︡ sovet︠s︡koĭ molodezhi" (Munich, 1961).

The materials chiefly concern Yugoslavia in Crisis and an unfinished project referred to as "The Yugoslavia Government in Exile, 1941-44;" but materials in the latter primarily relate to the war in Yugoslavia. The collection includes letters from such pre-World War II Yugoslav politicians as Dragiša Cvetkoviʹc, Miha Krek, Vladko Maček, and Milan Stojadinoviʹc. Subject files largely concern his research on Yugoslavia at the end of the war, and the Mid-European Studies Center in New York in the 1950s. Manuscripts by various people deal with twentieth century Eastern Europe. There are photographs of Paul, Prince Regent of Yugoslavia; of Prince Paul's nephew, King Peter II; and of Josip Broz Tito, as well as several hundred photographs taken in Yugoslavia during and immediately after the war. Printed materials include many pamphlets, offprints, books, clippings, and mimeographed research reports, chiefly concerning Yugoslavia.

Correspondence, manuscripts, documents, photographs, subject files and printed materials of Urusov. Urusov began his diplomatic career at the Vatican, and subsequently served in Bucharest (1880-1886), Brussels (1886-1898), Paris (1898-1903), Rome (1903-1904), and Vienna (1904-1910). The collection includes letters from Thʹeophile Delcassʹe, Nikolaĭ Giers, Aleksandr Gorchakov, Aleksandr Izvolśkiĭ, Vladimir Lamzdorf, King Leopold II, Alekseĭ Tolstoĭ, and Pauline Viardot-Garcia. There is a photocopy of a poem by Pushkin. The arranged correspondence primarily concerns Urusov's professional affairs, but also includes family letters. There are manuscripts by a number of people; most (including Urusov's own) relate to Russian diplomacy. The manuscript by P.V. Vogak discusses his service with the Red Cross during World War I, and includes material by I.N. Urusova (Urusov's wife), who was a Red Cross nurse. There are a number of documents Urusov received during his diplomatic service. Among the printed materials are two folders of clippings (some of which discuss Urusov) and several booklets and pamphlets.