"Entered from booking ledger and New York Times concert listing and review.\r\n\"Display Ad 166 -- no Title.\" New York Times (1923-), Dec 06 1959, p. 1. ProQuest. Web. 25 Apr. 2022.\r\n\"KRAEUTERS IN CONCERT: VIOLIN AND 'CELLO DUO HEARD AT CARNEGIE RECITAL HALL.\" New York Times (1923-), Dec 07 1959, p. 42. ProQuest. Web. 25 Apr. 2022." . "1959-12-06T17:30:00"^^ . . . "joint recital" . . . . "Karl Kraeuter, Violin, and Phyllis Kraeuter, Cello" . . . "chamber music performance" .