Morsey, R. (1979). Helene Weber: Rudolf Morsey. Aschendorff.
Lua i Stíl Chicago (17ú heag.)Morsey, Rudolf. Helene Weber: Rudolf Morsey. Münster: Aschendorff, 1979.
Lua MLA (8ú heag.)Morsey, Rudolf. Helene Weber: Rudolf Morsey. Aschendorff, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.