"Washington Park Court District". City of Chicago Department of Planning and Development, Landmarks Division. 2003. Archived from the original on May 20, 2007. Retrieved March 30, 2007.
"Robert S. Abbott House". National Historic Landmark summary listing. National Park Service. Archived from the original on January 3, 2008. Retrieved March 2, 2008.
"Washington Park Court District". City of Chicago Department of Planning and Development, Landmarks Division. 2003. Archived from the original on May 20, 2007. Retrieved March 30, 2007.
"Robert S. Abbott House". National Historic Landmark summary listing. National Park Service. Archived from the original on January 3, 2008. Retrieved March 2, 2008.