Schwager, M. (1944). Letter to Paul Heuduck, February 4, 1944. Saint Louis University Libraries Digitization Center.
Chicago Style aipamenaSchwager, Mortimer. Letter to Paul Heuduck, February 4, 1944. Saint Louis University Libraries Digitization Center, 1944.
MLA aipamenaSchwager, Mortimer. Letter to Paul Heuduck, February 4, 1944. Saint Louis University Libraries Digitization Center, 1944.
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