Atlases in the CSS Library Reference Collection: Online map collections
Atlases are great [but underused] source of information on a a wide range of topics presented in a graphic format. Use this LibGuide to enhance your papers and presentations by using this great library resource.
The Atlas presents in maps and text complete data about the creation and all subsequent changes (dated to the day) in the size, shape, and location of every county in the fifty United States and the District of Columbia.
Over 1 million copyright free images scanned from 17th, 18th, & 19th century books in the British Library's collection. Look for map folders on the favorites tab.