. . . . . "Entered from New York Times concert listing and review, and an advertisement in the 10/4/1931 program.\r\n\"Concert Programs of the Week.\" New York Times 18 Oct. 1931: 115. Print.\r\n\"Don Cossack Chorus Returns.\" New York Times 19 Oct. 1931: 31. Print." . . . . "choir performance" . "1931-10-18T20:30:00"^^ . . . . . . . . . . "Don Cossack Russian Male Chorus" . . . . .