Feininger, L. (1951). Lyonel Feininger: Drawings / Curt Valentin, New York. Curt Valentin.
Lua i Stíl Chicago (17ú heag.)Feininger, Lyonel. Lyonel Feininger: Drawings / Curt Valentin, New York. New York, NY: Curt Valentin, 1951.
Lua MLA (8ú heag.)Feininger, Lyonel. Lyonel Feininger: Drawings / Curt Valentin, New York. Curt Valentin, 1951.
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