Correspondence, manuscripts, photographs, subject files and printed materials of Burt︠s︡ev. The correspondence includes letters from Mark Aldanov, Anton Denikin, Sergeĭ Melǵunov, Boris Nikolaevskiĭ, Maurice Paleòlogue, Sergeĭ Shtern, I︠A︡kov T︠s︡vibak, Mark Vishni︠a︡k and Vladimir Zeeler. Among the manuscripts are two essays by Burt︠s︡ev as well as numerous notes and manuscript fragments. There are several photographs of Burt︠s︡ev. The subject files include materials on "Byloe", items concerning Burt︠s︡ev's own archive, and materials on "Obshchee delo.".