Platt, John Rader <br/><br/>
Step to man:this book is concered with the evolving nature of man, social and intellectual, what he and what he may become. 
by John Rader Platt 
 - New York  John Wiley & Sons  1966 
 - 216p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social change.Progress.
<br/><br/><label>Dewey Class. No.: </label>B1 P697