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.

Cataloged correspondence includes one or two letters each from Nikolaĭ Astrov, Vladimir Kokovt︠s︡ov, Evgraf Kovalevskiĭ, and Grand Duke Vladimir Kirillovich. There are also many letters from Migulin's sister in Leningrad from 1922-1938. Manuscripts by Migulin deal with financial and agrarian policies of the Tsarist and Soviet governments, the Russo-Japamese War, the causes of the Revolution, and reign of Nicholas II. There are materials concerning the education of Russian children in emigration in France, and printed materials which consist of an issue of "Chasovoĭ," some offprints and clippings.