- General information
- Internet sites with cartographic information
- Digital cartography at the University of Chicago Map Collection
- Some Chicago GIS data
- Spatially referenced census data for the City of Chicago
- Before and after the fire: Chicago in the 1860s, 1870s, and 1880s
- Chicago in the 1890s
- Chicago, 1900-1914
- Chicago in the 1920s and 1930s: the view from the Chicago School (the Social Science Research Committee maps)
- Social scientists map Chicago
- Chicago 1990 census maps
- Chicago 2000 census maps
- Late 19th- and early 20th-century Asian cities
- Late 19th- and early 20th-century Latin American cities