The Prairie School Traveler - Features an overview and a listing of Prairie School buildings in the United States, with addresses, photographs and historical notes. - http://www.prairieschooltraveler.com/
The American Foursquare - Illustrated description from About.com of the American Foursquare (or Prairie Box) house, including a list of features. - http://architecture.about.com/library/bl-foursquare.htm
The Airplane House - History of 1912 residence designed by Purcell and Elmslie in Woods Hole, Massachusetts. - http://www.caretakerpress.com/
Prairie Styles - Provides biographies of the architects and artisans of the Prairie school, with expandable thumbnail photographs of selected works. - http://www.prairiestyles.com/
Prairie Style Architecture - Images, information and sources for several houses by Frank Lloyd Wright in Great Buildings Online. - http://www.greatbuildings.com/types/styles/prairie_style.html