Source: Union Electric Company employee magazines (titled Wire and Pipe, Union Electric Magazine, Union Electric Quarterly, and Union Electric News), 1913-1969 (incomplete run) Location: St.L. / 05 / Un3, Un3b, Un3m
Last Name:	Colvin
First Name:	D.
Middle Name:	K.
Title:	Mr.
Volume:	27
Issue:	8
Date of Publication:	August 1939
Page:	7