Entered from booking ledger and New York Times concert listing and review. “Arts and Leisure Guide.” New York Times [New York, N.Y., United States], 2 Mar. 1975, p. 97. Arts & Leisure. Hughes, Allen. “Grace Wieder Heard in Recital on Piano.” New York Times [New York, N.Y., United States], 9 Mar. 1975, p. 49.