. "Ruben Varga, Violin" . . . . . . . "1970-12-05T20:30:00"^^ . "solo recital" . "Entered from booking ledger and New York Times concert listing and review.\r\n\"Who Makes Music and Where.\" New York Times (1923-), 29 Nov. 1970, p. 136. ProQuest. Web. 21 Aug. 2025.\r\n\"Ruben Varga Plays Own Violin Sonata.\" New York Times (1923-), 07 Dec. 1970, p. 62. ProQuest. Web. 21 Aug. 2025." . . .