"New York Recital Debut of both artists\r\nEntered from booking ledger and New York Times concert listing and review. The correct program order is uncertain.\r\n“Who Makes Music and Where.” New York Times [New York, N.Y., United States], 9 Dec. 1973, p. 189. AL.\r\nHughes, Allen. “Miss Val-Schmidt and William Henry in Debut.” New York Times [New York, N.Y., United States], 17 Dec. 1973, p. 59." . "Carolyn Val-Schmidt, Soprano, and William Henry, Violin" . . "1973-12-15T17:30:00"^^ . . . "joint recital" . . . . . . . . . . .