Haering, K. (1940). Ludwig Abeille: Kurt Haering. Kohlhammer.
Lua i Stíl Chicago (17ú heag.)Haering, Kurt. Ludwig Abeille: Kurt Haering. Stuttgart: Kohlhammer, 1940.
Lua MLA (8ú heag.)Haering, Kurt. Ludwig Abeille: Kurt Haering. Kohlhammer, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.