Besides correspondence, there are a few manuscripts, and also biographical information on many of the authors. Among the correspondents are Ivan Bunin, Vladimir Nabokov, Alekseĭ Remizov, Gleb Struve, and Boris Vysheslavt︠s︡ev.
Correspondence, manuscripts, lectures, lecture notes, and subject files of Russian-American historian Mikhail Mikhailovich Karpovich (1888-1959). Karpovich was an employee of the embassy of the Russian Provisional Government in Washington, D.C., Professor Emeritus of Russian History and Literature at Harvard University, and founding editor of Novyĭ zhurnal.