Entered from booking ledger and New York Times concert listing and review. "Who Makes Music and Where." New York Times (1923-), 15 Feb. 1970, p. 96. ProQuest. Web. 17 July 2025. "GEORGE MALDONADO GIVES SONG RECITAL." New York Times (1923-), 20 Feb. 1970, p. 30. ProQuest. Web. 17 July 2025.