https://artsourceinternational.com/shop/antique-maps/united-states/illinois/auto-trails-map-of-eastern-illinois-southern-mich-indiana-western-ohio-and-northern-kentucky/
McNally's 1922 Auto Trails Map of Eastern Illinois, Southern Mich., Indiana, Western Ohio, and...
McNally's 1922 Auto Trails Map of Eastern Illinois, Southern Mich., Indiana, Western Ohio, and Northern Kentucky - Art Source International
auto trailsmap ofeastern illinoismcnallysouthern
https://losthistory.net/trails/update.html
North American Auto Trails
north americanauto trails