(1989). German expressionist prints and drawings: The Robert Gore Rifkind Center for German Expressionsit Studies. Prestel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGerman Expressionist Prints and Drawings: The Robert Gore Rifkind Center for German Expressionsit Studies. München: Prestel, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGerman Expressionist Prints and Drawings: The Robert Gore Rifkind Center for German Expressionsit Studies. Prestel, 1989.
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