Sign painting: erection and sale/ by E.L. Koller. Scranton, Pa: International Textbook Company, c1923.

XC2011.11.2

Sign painting: erection and sale/ by E.L. Koller. Scranton, Pa: International Textbook Company, c1923.

XC2011.11.2

Sign painting: erection and sale/ by E.L. Koller. Scranton, Pa: International Textbook Company, c1923.

XC2011.11.2

Commercial signs/ by E.L. Koller. Scranton, Pa: International Textbook Company, c1939.

XC2011.11.2

Commercial signs/ by E.L. Koller. Scranton, Pa: International Textbook Company, c1939.

XC2011.11.2