A plan found in the promotional piece, "Where Thistles Grew Before."
A series of full-page newspaper ads with photographs inset, a map to Park Forest, and text highlighting some aspect of life in Park Forest.
Map of the bounty lands in Illinois Territory.
Gardiner, John Ralph
Surface structure map of Shelby, Effingham and Fayette counties
Newton, William Albert, 1912
Atlas of the State of Illinois : to which are added various general maps, history, statistics and illustrations
Warner & Beers
Alphabetic catalog of the books, manuscripts, maps, pictures and curios of the Illinois State Historical Library : authors, titles and subjects
Illinois State Historical Library