Collection Abram Saulovich Kagan Papers, 1909-1952 Online Repository Columbia University: Rare Book & Manuscript Library
Collection Avgusta Filippovna Damanskaia Papers, 1913-1958 Repository Columbia University: Rare Book & Manuscript Library
Collection Soiuz russkikh pisatelei i zhurnalistov v Parizhe Records, 1917-1952 Repository Columbia University: Rare Book & Manuscript Library