Missouri and Kansas
ProQuest Digital Sanborn Maps, 1867-1970 - subscription database from ProQuest that can be accessed in the library or offsite with a KCPL library card and pin number. It includes all Kansas and Missouri towns. The images are not in color.
Missouri
University of Missouri Sanborn Maps - includes first editions or base volumes for Missouri towns and cities.
Kansas
University of Kansas Sanborn Maps - includes digitized maps from 1883 =-1922
Florida
Sanborn Fire Insurance Maps of Florida, George A. Smathers Libraries
Georgia
Sanborn Fire Insurance Maps for Georgia Towns and Cities, 1884-1922, Digital Library of Georgia
South Carolina
Sanborn Fire Insurance Maps of South Carolina, 1884-1923, University of South Carolina
Utah
Sanborn Fire Insurance Maps, from J. Willard Marriott Library, University of Utah