Riess, C. (1988). Gustaf Gründgens: Curt Riess. Herder.
Lua i Stíl Chicago (17ú heag.)Riess, Curt. Gustaf Gründgens: Curt Riess. Freiburg [u.a.]: Herder, 1988.
Lua MLA (8ú heag.)Riess, Curt. Gustaf Gründgens: Curt Riess. Herder, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.