Biuro Russkoi Pechati v Konstantinopole, Releases, 1920-1921 Box 1 Series I: Viktor Leonidovich and Boris Leonidovich Pokrovskii PapersManuscripts
Boris Pokrovskii to various persons, 1923 & undated, 1923, undated Box 1 Series I: Viktor Leonidovich and Boris Leonidovich Pokrovskii PapersCorrespondence