Correspondence, manuscripts, documents, photographs, subject files, printed materials, and memorabilia of historian George Vernadsky (Georgii Vladimirovich Vernadskii; 1887-1973). Most of the collection consists of his personal and professional papers, circa 1918-1973. Sizable groups of materials also concern members of his family, especially his wife Nina (1884-1971); his father, scientist Vladimir I. Vernadskii (1863-1945); his mother Nataliia E. Vernadskaia (1860-1943); and his sister Nina V. Toll' (1898-circa 1976).

Correspondence, manuscripts, documents, and photographs of Bakunina. Most of the collection consists of letters from the period 1945-1974 by Bakunina's friends and relatives. Cataloged correspondence is from George Vernadsky (Bakunina's cousin), Vadim Rudnev, Sofii︠a︡ Panina, Petr Bit︠s︡illi, and Nikolaĭ Astrov; some of the letters are addressed to Bakunina's husband, Mikhail A. (d. 1962). Manuscripts include brief memoirs by Bakunina and her husband.