. Butler Library, Columbia University, New York, NY: Stefan Zweig to Ben Huebsch, 1 letter, 9 January 1934
. The Library of Congress, Washington, D.C.: Stefan Zweig to Ben Huebsch, ca. 289 letters; Ben Huebsch to Stefan Zweig, ca. 100 letters, 1926-1942. Plus 68 miscellaneous items [Contracts, royalty statements, letters by others, etc.]
. Stefan Zweig Collection, Daniel Reed Library, State University of New York, Fredonia, NY: Microfilm copies of the original letters in the Library of Congress
. The Correspondence of Stefan Zweig with Raoul Auernheimer and with Richard Beer-Hofmann. (xiv)/273p. Illustrated. Columbia, SC: Camden House, 1983 [Studies in German Literature, Linguistics and Culture, 20]. Part II: The Correspondence of Stefan Zweig with Richard Beer-Hofmann with Unpublished Letters to Sol Liptzin and Ben Huebsch [Edited with a commentary and notes by Jeffrey B. Berlin], pp. (165)-261. Pages 185, 190-191: Stefan Zweig to Ben Huebsch, 2 letters, 19 December 1933 and 30 December 1933. Page 186: Ben Huebsch to Stefan, 1 letter, 16 January 1934
. Berlin, Jeffrey B. "Stefan Zweig and His American Publisher: Notes on the Correspondence, with reference to "Schachnovelle" and "Die Welt von Gestern" in Deutsche Vierteljahrsschrift für Literaturwissenschaft und Geistesgeschichte [Halle an der Saal/Stuttgart], 56:2 [2 [June 1982], pp. (259)-276. Excerpts from the Stefan Zweig/Ben Huebsch correspondence between 18 September 1940 and 21 February 1942. Page 275 contains a reprint of Stefan Zweig's letter of 21 February 1942 which was forwarded to Ben Huebsch with a typescript version of "Schachnovelle"
. Berlin, Jeffrey B. "Stefan Zweig's Unpublished Letters of 1938 to Ben Huebsch" in Deutsche Vierteljahrsschrift für Literaturwissenschaft und Geistesgeschichte [Halle an der Saale/Stuttgart], 61:2 [June 1987], pp. 325-358. Stefan Zweig to Ben Huebsch, 28 letters and postcards, 11 January-23 December 1938. These pages also contain three letters of Stefan Zweig to Trevor Blewitt [6, 7, and 8 December 1928] as well as excerpts from other letters to or by Stefan Zweig, e.g. Ben Huebsch to Stefan Zweig, Stefan Zweig to Gisella Selden-Goth, Stefan Zweig to René Schickele, et al.