. . "Entered from booking ledger and New York Times concert listing and review.\r\n\"Operas and Concerts for the Week.\" New York Times (1923-), Nov 15 1964, p. 1. ProQuest. Web. 29 Jan. 2024.\r\n\"Hoffman Begins Series.\" New York Times (1923-), Nov 16 1964, p. 41. ProQuest. Web. 29 Jan. 2024." . . . . "1964-11-15T14:30:00"^^ . . "Program of Russian Piano Trios" . "chamber music performance" . .