Crawford, W. R., Neumann, F. L., Peyre, H., Panofsky, E., Köhler, W., & Tillich, P. (1953). The cultural migration: The European scholar in America / by Franz L. Neumann, Henri Peyre, Erwin Panofsky, Wolfgang Köhler, and Paul Tillich. Introd. by W. Rex Crawford. Univ. of Pennsylvania Press.

Crawford, W. Rex, Franz. L. Neumann, Henri Peyre, Erwin Panofsky, Wolfgang Köhler, and Paul Tillich. The Cultural Migration: The European Scholar in America / by Franz L. Neumann, Henri Peyre, Erwin Panofsky, Wolfgang Köhler, and Paul Tillich. Introd. by W. Rex Crawford. Philadelphia: Univ. of Pennsylvania Press, 1953.

Crawford, W. Rex, et al. The Cultural Migration: The European Scholar in America / by Franz L. Neumann, Henri Peyre, Erwin Panofsky, Wolfgang Köhler, and Paul Tillich. Introd. by W. Rex Crawford. Univ. of Pennsylvania Press, 1953.