. . "John Sant'Ambrogio, Cello, and Isabelle Sant'Ambrogio, Piano" . "Entered from booking ledger and New York Times concert listing and review.\r\n\"Opera and Concert Programs.\" New York Times (1923-), Jan 24 1965, p. 1. ProQuest. Web. 13 Feb. 2024.\r\n\"Cellist and Pianist Perform.\" New York Times (1923-), Jan 25 1965, p. 22. ProQuest. Web. 13 Feb. 2024." . "1965-01-24T17:30:00"^^ . . . .