Source: The Broadcaster, December 1, 1927, to April 19, 1932 (newsletter published in St. Louis by the Arkansas-Missouri Plant Department, Southwestern Bell Telephone Company)
Location: Frances L. Dewey Papers, Archives
Last Name:Baum
First Name:Roswell
Photograph:Yes
Volume:II
Issue:43
Date of Publication:September 28, 1929
Page:3