"Calumet/Giles Prairie District". City of Chicago Department of Planning and Development, Landmarks Division. 2003. Archived from the original on June 7, 2007. Retrieved June 26, 2007.
web.archive.org
"Calumet/Giles Prairie District". City of Chicago Department of Planning and Development, Landmarks Division. 2003. Archived from the original on June 7, 2007. Retrieved June 26, 2007.