. . . "BACK, Ernest Adna, and PEMBERTON (Cyril Eugene)" . "Back"@en . "E.A Back" . "E." . "A." . "Ernest A. Back" . "BACK" . "E. A. Back"@de-DE . "E.A" . "E. A. Back" . . "Ernest Adna" . . "and COTTON (Richard Thomas) Ernest Adna BACK" . . "Ernest Adna Back"@en . "E. A." . "Adna"@en . . . "BACK, Ernest Adna, and COTTON (Richard Thomas)" . "Back, E. A. (Ernest Adna)" . "Ernest"@en . "and PEMBERTON (Cyril Eugene) Ernest Adna BACK" . "1886" . "E.A. Back"@en . "Ernest Adna Back" .