Hildebrand, George H. <br/><br/>
The idea of progress :  A collection of readings. / 
Selected by Frederick J. Teggart ; Ed., wite an introduction by G. H. Hildebrand. 
 - Rev. ed. /  with an introduction by George H. Hildebrand. 
 - Berkeley :  University of California Press,  1949. 
 - xi, 457 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Progress.<br/>History--Philosophy.