Letter to Marriner Eccles
The Marriner S. Eccles Document Collection
Letter from Edward Witkowski and Joseph Kroppy inviting Eccles to be a guest speaker at a banquet hosted by the Manhattan Society in honor of M.S. Szymczak.
Kroppy, Joseph F. and Witkowski, Edward S., 1938, Letter to Marriner Eccles, from The Marriner S. Eccles Document Collection, accessed Mar 10, 2014 from FRASER, http://fraser.stlouisfed.org/docs/historical/eccles/084_14_0002.pdf