found: Wrangler, J. The Jack Wrangler story, 1984: CIP galley (Margaret Whiting; Amer. pop singer)
found: Guinness encyclopedia of popular music, 1992 (Whiting, Margaret; b. July 22, 1924, Detroit, Mich.; popular vocalist)
found: New York times WWW site, Jan. 12, 2011 (in obituary published Jan. 11: Margaret Whiting; b. Margaret Eleanor Whiting, July 22, 1924, Detroit; d. Monday [Jan. 10, 2011], aged 86; songwriter's daughter who as a bright-eyed teenage singer captivated wartime America and then went on to a long, acclaimed career recording hit songs and performing in nightclubs and on television)