Wally, B., & Sieverding, K. (1998). Katharina Sieverding: Weltlinie 1998.
Lua i Stíl Chicago (17ú heag.)Wally, Barbara, agus Katharina Sieverding. Katharina Sieverding: Weltlinie 1998. Salzburg, 1998.
Lua MLA (8ú heag.)Wally, Barbara, agus Katharina Sieverding. Katharina Sieverding: Weltlinie 1998. 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.