A letter, manuscripts, photographs, and printed materials of members of the Sozonovich family. The letter is by Vladimir Frant︠s︡ev. Manuscripts consist of lectures by Ivan Sozonovich and poems by his wife. There are photographs of the Sozonovich family; of Konstantin Bestuzhev-Ri︠u︡min, founder of a program of higher education for women in St. Petersburg; and of several professors at Warsaw University--Vladimir Frant︠s︡ev, Konstantin Grot, and Ivan Filevich. Printed materials include periodicals with items by Marii︠a︡ Sozonovich-Kozhina.