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 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, documents, a photograph, and printed material, primarily from the period 1941-1957. Included are letters from Ivan Bunin, Marc Chagall, Mikhail Karpovich, Vasiliĭ Maklakov, W. Somerset Maugham, Vladimir Nabokov, Ili︠́a︡ Repin, Edmund Wilson, Boris Zaĭt︠s︡ev and many others. Manuscripts of his works include "Istoki""Nachalo kont︠s︡a""Zhivi, kak khochesh"́, and "The Escape" (English translation of "Begstvo"), such shorter tales as "Noch ́v terminale""Povest ́o smerti", and "Ulḿskai︠a︡ noch"́, as well as numerous articles, book reviews and essays. There are financial records for "Novyĭ Zhurnal", which Aldanov helped found, and the clippings are mainly articles about Aldanov. There is one late photograph of Aldanov.