"Rookery Building". City of Chicago Department of Planning and Development, Landmarks Division. 2003. Archived from the original on September 25, 2007. Retrieved May 15, 2007.
"The Rookery, Chicago". Emporis Buildings. 2007. Archived from the original on September 30, 2007. Retrieved May 15, 2007.{{cite web}}: CS1 maint: unfit URL (link)
"Rookery Building". City of Chicago Department of Planning and Development, Landmarks Division. 2003. Archived from the original on September 25, 2007. Retrieved May 15, 2007.