American Truck Historical Society - National website 
http://www.aths.org/

Northeast Ohio Chapter - American Truck Historical Society
http://sites.google.com/site/northeastohiochapterofaths/
https://sites.google.com/site/northeastohiochapterofaths/home/2013-ohio-vintage-truck-jamboree

Sandusky County Restorers of Antique Power
http://s-c-r-a-p-inc.org/

Historical Construction Equipment Association
http://www.hcea.net/

Trucking Timeline: Vintage and Antique Truck Guide
http://www.thetruckersreport.com/trucking-timeline-vintage-and-antique-truck-guide/