Svitich's papers, which consist of manuscripts, photographs, subject files, and printed materials, chiefly concern the Orthodox church in interwar Poland. The papers also include Svitich's diaries, written in Poland between 1939 and 1940. Also included is an essay, in an unidentified hand, which Svitich attributes to V.V. Rozanov. There are photographs of Mikhail Artsybashev and Vladimir Burt︠s︡ev. Subject files concern: the Orthodox church in the Vilnius region in the late 19th century; meetings of various Russian organizations in 1917; many aspects of Orthodoxy in Poland in the 1920's and 1930's, including government persecution and in World War II. Among printed materials are issues of "Russkiĭ Golos"(Lwʹow) confiscated by the Polish government in 1939, and issues of Russian newspapers from World War II, including "Vestnik Russkago Komiteta v General-Gubernatorstve" (Warsaw).

This collection includes approximately 75 stories, several collections of poems, and two novels by Pli︠u︡shkov; there are also about 25 essays by him on literary topics, and a brief autobiography. Photographs are chiefly of Pli︠u︡shkov and his wife. In addition, there is a photocopy of a document concerning the medical treatment given to Maksim Gorḱiĭ in 1887 by Pli︠u︡shkov's father after Gorḱiĭ attempted suicide.

The papers contain correspondence that dates from the 1950s to the 1970s, and concern emigre Cossack affairs as well as the career of Skrylov's son, Valerian. There are essays on the Kuban Cossacks, political events in 1964 and on the Cossack dictionary Skrylov was compiling. There is a photocopy of a 1948 cerificate Skrylov received from the "Soi︠u︡z pervago kubanskago pokhoda" in Munich. The cataloged photograph is of General Lavr Kornilov in 1916, shortly before his escape from a military hospital in Köszêg, Hungary, and there are photographs of both Skrylov and his son.

The collection consists of correspondence, manuscripts, subject files and printed materials. Nearly all the manuscripts are by Savit︠s︡kiĭ himself, and include essays on such topics as Suvorov and Napoleon Bonaparte, Pushkin, early foreign travelers in Russia, eternal youth, Russian art and engineering. There are subject files relating to Savit︠s︡kiĭ's father, Kazimir Antonovich Savit︠s︡kiĭ, who was chairman of the Severskiĭ Donet︠s︡ Railroad from about 1907 to 1920, and to the Obshchestvo li︠u︡biteleĭ russkoĭ voennoĭ stariny (Society of Russian Military History Enthusiasts), a Paris based emigre organization. The printed materials include clippings and several issues of "Russkiĭ Voenno-Istoricheskiĭ Vestnik" of which Savit︠s︡kiĭ was co-editor.

The collection includes correspondence from Konstantin Balḿont, Nikolaĭ Evreĭnov, Zinaida Gippius, Georgiĭ Grebenshchikov, Vasiliĭ Maklakov, Sergeĭ Potresov and Nadezhda Teffi. There is one letter each from Boris Bakhmeteff, Vera Bunina, Aleksandr Grechaninov, Aleksandr Kuprin and Alekseĭ Tolstoĭ. The manuscripts include poems and a play scenario by Nadezhda Teffi as well as Roshchina-Insarova's autobiographical essays and article about Sergeĭ Lifar.́ In addition, there are three scrapbooks containing clippings and programs of Roshchina-Insarova's performances, and approximately 40 photographs of her.

Mitrofanova's manuscripts consist of four bound typescripts: memoirs about her son, Oleg P. Mitrofanov, and the Preobrazhenskiĭ Regiment in World War I; and two essays on the White Cross, entitled "Beloe dvizhenie i Belyĭ Krest"́ and "Belyĭ Krest ́v izgnanii." Also included is Oleg Mitrofanov's diary, which covers his service in the Preobrazhenskiĭ guard in January-July 1917.

The collection includes more than 100 letters to Benningsen from P.P. Ignatév, the last Minister of Imperial Russia, written in 1920-1921; and correspondence between Benningsen and his wife, Ekaterina Platonovna Benningsen, and Ksenii︠a︡ V. Denikina. Several manuscripts by E. P. Benningsen are also included: a long memoir which treats the history of the Benningsen family, his own government and Red Cross service, the 1917 Revolution and the Civil War, and emigration in France and Brazil. There are copies of his lectures and articles on historical topics; a lengthy essay on the character of modern politics called "Ce que la vie m'a enseigne"̀; and a number of reviews of books dealing with Russia. There are two sets of subject files: one containing materials relating to the activities of the "Soi︠u︡z Pazheĭ" (an emigre organization of former members of the Corps of Pages); the other, materials relating to the efforts by former officers of the Kavalergardskiĭ Regiment to recover a trove of silver objects belonging to them that they had deposited in the State Treasury at the beginning of World War I and which finally ended up in Belgrade. A brief biographical note on her husband by Ekaterina P. Benningsen and a few photographs complete the collection.

The papers consist of correspondence, manuscripts, documents, and printed materials. Correspondence includes 3 letters from Mikhaĭl Karpovich, and letters from Khmelńit︠s︡kai︠a︡'s son Sergeĭ, a writer in the Soviet Union. Among the manuscripts is Khmelńit︠s︡kai︠a︡'s autobiography, which discusses her childhood in Odessa and her education; and her translation of the letters of William Frey, a Russian immigrant in Kansas in the 1870s.

Papers consist of manuscripts and printed materials. Manuscripts include a typescript memoir by Gagarin about Simferopol in 1917-18, two brief essays by Gagarin on the rivers Neva and Volga, and a typed copy of a letter from a soldier in World War I to a nurse. Printed materials include scattered issues of and clippings from "Russkoe Slovo" one issue of "Sei︠a︡teĺ" two issues of "Chasovoĭ" three issues of "Russkiĭ Invalid" and twenty-one issues of "Osvedomitel ́Leĭb-Egereĭ" and a copy of "Epizody proshlogo. Rasskazy iz zhizni avtora i izbrannye stikhotvorenii︠a︡" (Buenos Aires, 1972), a collection of poems and brief memoiristic essays, manuscripts of some which are among Gagarin's papers.

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).