These letters. published in The Nation of May 15, 1935 (see downloadable PDF file above) deal with the issue of anti-Semitism as it pertains to Theodore Dreiser.
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Note:
Dreiser scholar Donald Pizer has written extensively about this issue. See:
Donald Pizer, “Dreiser and the Jews,” Dreiser Studies, vol. 35, no. 1 (summer 2004)
Donald Pizer, American Naturalism and the Jews: Garland, Norris, Dreiser, Wharton, and Cather (University of Illinois Press, 2008)
— posted by Roger W. Smith
March 2016