Papers include Kagan's correspondence, photographs, printed materials and audio tapes. All letters in the collection date from 1938-39, when he had moved his Petropolis operations to Brussels; there are items by Vladislav Khodasevich, Vladimir Nabokov, and Mikhail Osorgin, and others. Among the photographs are pictures of Ivan Bunin, Konstantin Fedin, and Evgeniĭ Zami︠a︡tin. Printed materials consist chiefly of books published by his firms; some of the books are inscribed, for example by Nikolaĭ Berdi︠a︡ev and Lev Karsavin. Included is a lengthy taped interview of Kagan by Marc Raeff in which Kagan discuses his life and publishing activities.

Papers of Adam Pavlovich Benningsen and his wife Feofanii︠a︡ Vladimirovna Benningsen. This collection contains a substantial number of letters which Adam Benningsen wrote to his wife while serving with the White armies in South Russia during 1919-1921. The bulk of the collection consists of manuscripts by Adam Benningsen: a lengthy memoir of his service in the Tsar's army in World War I and in the White armies in the Civil War; diaries and draft memoirs relating to the same period; memoirs of the fall of France in 1940 and of his own imprisonment, apparently by the Germans, during World War II; and two short manuscripts containing theological reflections. A short memoir of the Revolution by Feofanii︠a︡ Benningsen ("Iz zapisok grafini F. V. Benningsen," 1917)., a collection of White Army poems and songs, and a hand-produced satirical journal emanating from the White Army's camp at Gallipoli (1921) complete the collection. Correspondence: Series of letters from A. P. Benningsen to F. V. Benningsen (1919-1920) and other letters from A. P. Benningsen to F. V. Benningsen (1919-1921). Manuscripts: Diary of Adam P. Benningsen (22 July-4 September, 1914; "Iz zapisok grafini F. V. Benningsen" (1917); Prison diary of A. P. Benningsen (1943); "Razvei gore v golom pole", No. 15, (Gallipoli, 16 June, 1921); Religious reflections of Adam P. Benningsen. Notebooks: Memoirs of Adam P. Benningsen (1914-1921?), 4 notebooks, continuous pagination; Drafts of memoirs and diaries by Adam P. Benningsen; Memoirs of the fall of France by Adam P. Benningsen ("May 1940"); Theological reflections by Adam P. Benningsen. Songs and poems of the White army

Typescript memoirs that cover especially 1903-1941. Also included are copies of letters and manuscripts mostly on religious themes.

The papers consist of an autobiography and photocopies of letters, in two loose-leaf binders. The letters, which are often very detailed, concern his visits to the Soviet Union in 1930 and 1932.

These papers consist of correspondence, manuscripts, documents, subject files, photographs, and printed materials. Most of the collection concerns Bashmakov's ethnographical work in France in the 1920s and 1930s, including correspondence, many manuscripts, lectures, notes, and copies of his publications. Subject files concern emigre monarchism in France, and the death of Father Georgiĭ Spasskiĭ. There are copies of the Russian version of Bashmakova's memoirs, "Perezhitoe." Cataloged correspondence in the collection consists of letters from Petr Krasnov and one or two items each from Henry Field, Evgeniĭ Miller, Petr Wrangel, and Boris Zaĭt︠s︡ev. There are also photographic slides representing ethnographical types from the Caucasus.

The papers consist of correspondence, manuscripts, documents, photographs, and printed materials. Manuscripts include notes taken on a speechby General Lavr Kornilov in August 1917; Kolchinskiĭ's writings on the history of the Pavlovsk Military Academy (including a published book by him); and his diaries from the early 1950s. Also included are Kolchinskiĭ's Russian army documents; items relating to his work in the Belgian Congo during World War II; and several photographs of army officers during World War I.

Correspondence, manuscripts, printed materials and photographs of Vetlit︠s︡. The correspondence includes letter drafts by Vetlit︠s︡, and letters from R. Shubovich. The collection consists primarily of Vetlit︠s︡'s manuscripts pertaining to horse breeding and horse-racing in Russia, Yugoslavia, the First and Second World Wars, and the 1917 revolution in Russia. Some of the manuscripts describe Vetlit︠s︡'s childhood and family, and his memoirs are included in the form of a letter. The printed materials consist of clippings of articles by Vetlit︠s︡.

The collection consists of correspondence from such ballet and theater personalities as Sergeĭ Khudi︠a︡kov, Sergeĭ Lifar,́ Nadezhda Nikolaeva-Legat, Alekander Sanin and Vera Trefilova. There is also one letter each from Zinaida Gippi︠u︡s, Nadezhda Teffi, Boris Zaĭt︠s︡ev and Vladimir Zeeler. In addition, there are several typed manuscripts by Pleshcheev, including his book-length biography of E.N. Roschina-Insarova, and clippings of newspaper articles by Pleshcheev.

The collection consists of correspondence, manuscripts, several photographs, documents, financial records, subject files and printed material. The correspondence is chiefly from the period 1925-1958 and includes letters from Mark Aldanov, Anton Denikin, Ivan Shmelev and one or two items each from Ivan Bunin, Pavel Mili︠u︡kov, Alekseĭ Remizov etc. The documents and financial records are primarily personal and the subject files include materials on a number of commemorative celebrations and on various exile organizations in France.

Meyendorff's papers consist of correspondence, manuscripts, notes, and printed materials. The papers concern Russian statesman Petr Stolypin. The manuscripts (which are in English) are grouped under the title "A Brief Appreciation of P. Stolypin's Tenure of Office," and touch upon many different aspects of his career. Notes and correspondence are also on this topic. Among the correspondents is Vladimir Kokovt︠s︡ov.