Gebhard, David. Purcell and Elmslie : Prairie progressive architects / David Gebhard ; edited by Patricia Gebhard. - 1st ed. - Salt Lake City : Gibbs Smith, c2006. - 192 p. : [hb] ISBN: 9781423600053 Subjects--Topical Terms: Prairie school (Architecture) Dewey Class. No.: 728.37092 / GEB-P