Fruin-Colnon Brochure Maintenance Services: Power, Chemical, Petrochemical, Pulp and Paper, Cement, Food, Industrial, Manufacturing, no date, A3054-00253. Missouri Historical Society Library and Research Center.

Fruin-Colnon Brochure Maintenance Services: Power, Chemical, Petrochemical, Pulp and Paper, Cement, Food, Industrial, Manufacturing, no date, A3054-00253. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/16714 Accessed September 20, 2024.