Favorite this☆ Betty Allen Description: Portrait of mezzo-soprano Betty Allen. Stamped on back: "Betty Allen, mezzo-soprano." Handwritten on back: "B.A. - Backstage, Carnegie before 'Iphigenie en Aulide, Gluck, Amer. Opera Society, March, 1965." Details Resource ID: hk000153 Subject: Allen, Betty, 1927-2009 African American women singers Photographic prints Date Issued: 1965-03 Format: 1 photographic print ; 10 x 8 in. Member of: E. Azalia Hackley Collection Filing Location: Biography--Allen, Betty Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.