(1954). Fifty drawings by Paul Klee: Collection of Curt Valentin, New York. Institute of Contemporary Arts.
Lua i Stíl Chicago (17ú heag.)Fifty Drawings by Paul Klee: Collection of Curt Valentin, New York. London: Institute of Contemporary Arts, 1954.
Lua MLA (8ú heag.)Fifty Drawings by Paul Klee: Collection of Curt Valentin, New York. Institute of Contemporary Arts, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.