Entered from booking ledger and New York Times concert listing and review. "MUSIC PROGRAMS." New York Times (1923-), Sep 24 1961, p. 1. ProQuest. Web. 9 Jan. 2023. "VINCENT SHIELDS SINGS: BARITONE HEARD IN PROGRAM AT CARNEGIE RECITAL HALL." New York Times (1923-), Sep 25 1961, p. 39. ProQuest. Web. 9 Jan. 2023.