"Entered frombooking ledger and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS THIS WEEK.\" New York Times (1923-), Jan 29 1961, p. 1. ProQuest. Web. 12 Sep. 2022.\r\n\"KRAEUTERS HEARD IN A JOINT RECITAL: VIOLINIST AND 'CELLIST INCLUDE FOUR RAMEAU 'PIECES EN CONCERT' ON PROGRAM.\" New York Times (1923-), Jan 30 1961, p. 18. ProQuest. Web. 12 Sep. 2022.\r\n" . "1961-01-29T17:30:00"^^ . . . . "duo recital" . . "Karl Kraeuter, Violin, and Phyllis Kraeuter, Cello" . . .