. . "Douglass" . . "Earl LeRoy Douglass" . "Douglass, Earl L. (Earl LeRoy)" . "Earl Leroy Douglass" . "1972" . . "Earl L. Douglass"@de-DE . "Earl" . "1888" . "Earl Leroy DOUGLASS" . . "DOUGLASS" . "Leroy" . "L." . "LeRoy" . "Douglass, Earl L. (Earl Leroy)" . "Earl Leroy Douglass" . "Earl Leroy" .