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:	Mammen
First Name:	Harry
Middle Name:	P.
Corporate Name:	Parks Aircraft, Inc.
Report Number:	20
Date:	August 10, 1929
Page:	6