Ohio
1928 National Old Trails Ohio Map 51 Zanesville to Wheeling (WV)
1928 National Old Trails Road Map 50 Columbus to Zanesville
1928 National Old Trails Road Map 49 Springfield to Columbus
1928 National Old Trails Road Map 48 Richmond to Springfield
1926 Pikes Peak Ocean to Ocean Highway - Page 35 Ohio St. Paris to Union City (IN)
1926 Pikes Peak Ocean to Ocean Highway - Page 36 Greenville, Ohio
1926 Pikes Peak Ocean to Ocean Highway - Page 37