1902 Chicago Folio and Atlas - Scanned maps and transcribed text from this long out-of-print first topography of the Chicago Region, written by William Alden and first published in 1902. ebeltz.net/folio/chgofolio.html
Maps of Chicago, Cook County and Surrounding Counties - Features standard and enlarged images of historical maps of the area from the 1876 Warner & Beers Atlas. images.library.uiuc.edu/projects/historical_maps/warner/warnerChicago.html
