The Burnham Plan Centennial
Chicago Architecture Foundation
Chicago History Museum
Chicago Park District
Chicago Model City
Cook County Website
Dwight Perkins Biography
Encyclopedia of Chicago
Forest Preserve District of Cook County website
Frederick Law Olmsted Website
Hull-House
Jens Jensen Legacy Project
Newberry Library Seminars Page
Prairie Styles
Special Collections Website
Chicago Park History—A City in A Garden: A Photographic History of Chicago’s Parks