Lehmann, T. (1966). Blues and trouble. Henschelverlag.
Lua i Stíl Chicago (17ú heag.)Lehmann, Theo. Blues and Trouble. Berlin: Henschelverlag, 1966.
Lua MLA (8ú heag.)Lehmann, Theo. Blues and Trouble. Henschelverlag, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.