All-Russian Song Program Entered from New York Times concert listing and review. The accompanist is not identified. "A CALENDAR OF CONCERTS." New York Times (1857-1922), Dec 17 1911, p. 1. ProQuest. Web. 21 Jan. 2021. "MME. DIMITRIEFF SINGS." New York Times (1857-1922), Dec 18 1911, p. 11. ProQuest. Web. 21 Jan. 2021