"Landmark Designation Report"(PDF). Chicago Department of Housing and Economic Development. March 1, 2012. Archived(PDF) from the original on 21 November 2022. Retrieved April 29, 2023.
"Landmark Designation Report"(PDF). Chicago Department of Housing and Economic Development. March 1, 2012. Archived(PDF) from the original on 21 November 2022. Retrieved April 29, 2023.