Source: Who's Who in the Midwest: A Biographical Dictionary of Noteworthy Men and Women of the Central and Midwestern States (Chicago, Illinois: The A. N. Marquis Company, 1949) Location: Reading Room / 920 / W62m
Last Name:	Zork
First Name:	David
Birth Date:	1875 September 21
Remarks:	Biographical sketch of
Page:	1352