Ebony, D. (2005). Seductive Cipher: Katharina Sieverding's own visage has been at the heart of her work since the late 1960s. Art in America.
Lua i Stíl Chicago (17ú heag.)Ebony, David. "Seductive Cipher: Katharina Sieverding's Own Visage Has Been at the Heart of Her Work Since the Late 1960s." Art in America 2005.
Lua MLA (8ú heag.)Ebony, David. "Seductive Cipher: Katharina Sieverding's Own Visage Has Been at the Heart of Her Work Since the Late 1960s." Art in America, 2005.
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