Adling, W. (1963). Friedrich Wolf.
Lua i Stíl Chicago (17ú heag.)Adling, Wilfried. Friedrich Wolf. Berlin, 1963.
Lua MLA (8ú heag.)Adling, Wilfried. Friedrich Wolf. 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.