Collection Nikolai Nikolaevich Evreinov Papers, 1905-1965 Repository Columbia University: Rare Book & Manuscript Library
Collection Pavel Nikolaevich Miliukov papers, 1879-1970 Repository Columbia University: Rare Book & Manuscript Library
Collection Sofiia Vladimirovna Panina Papers, 1900-1956 Repository Columbia University: Rare Book & Manuscript Library