References:
Milwaukee Photo Materials Co. Catalogue No. 5, Milwaukee Photo
Materials Co. (Milwaukee, WI), undated c.1907, p.55
Graflex and Graphic Cameras, Folmer & Schwing Division, Eastman
Kodak Co. (Rochester, NY), 1912, pp. 37-39
Graflex and Graphic Cameras, Folmer & Schwing Department, Eastman
Kodak Co. (Rochester, NY), 1913, pp. 37-39
Graflex and Graphic Cameras, Folmer & Schwing Department, Eastman
Kodak Co. (Rochester, NY), 1914, pp. 39-41
Graflex and Graphic Cameras 1921, Folmer & Schwing Dept., Eastman
Kodak Co. (Rochester, NY), dated 1921, p.33-35.