Source: Overseas with an Aero Squadron / by Clarence F. Piesbergen (Belleville, Ill.: News-Democrat print, no date) (published circa 1920)
Location: MO / 9.9 / P61
Last Name:Hein
First Name:George
Middle Name:C.
Portrait:yes
Nickname:Slim
Hometown:LeGrand, California
Page:11, 64