Gromova, V.I. 1932. Novye materialy po chetvertichnoy faune Povolzh’ya i po istorii mlekopitayushchikh Vostochnoy Evropy i Severnoy Azii voobshche (S prediesloviem prof. P.A. Pravoslavleva) [New material on the Quaternary fauna from Lower Volga and history of the mammals of Eastern Europe and Northern Asia in general (with a prologue by Prof. P.A. Pravoslavlev)] [in Russian, German summ.]. Trudy Komissii po Izuchenyu Chetvertichnogo Perioda, Izd-vo AN SSSR, Leningrad 2: 69-184, Pls I-V.