Source: "Report of the Industrial Bureau of the Industrial Club of St. Louis," 1928-1935. Some issues are titled "Southwest-Southeast Business" and "Saint Louis Business." Location: St.L. / 607 / In2r
Last Name:	Zytowski
First Name:	D.
Middle Name:	C.
Corporate Name:	Research Laboratories, Inc.
Address:	5296 Page Blvd.
Report Number:	69
Date:	January 24, 1934
Page:	6