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:	Ryker
First Name:	H.
Middle Name:	B.
Volume:	II
Issue:	14
Date of Publication:	March 9, 1929
Page:	3