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:Steffen
First Name:Gerhart
Address:3757 Potomac
Volume:I
Issue:20
Date of Publication:April 12, 1928
Page:4