J. Malherek. Free-Market Socialists: European Émigrés Who Made Capitalist Culture in America, 1918--1968, Central European University Press, Budapest, (2022)
T. Wheatland. Exile, Science, and Bildung: The Contested Legacies of German Émigré Intellectuals (Studies in European Culture and History), Palgrave Macmillan, New York, (2005)