Strayer, Joseph Reese, 1904- <br/><br/>
The mainstream of civilization / 
Joseph R. Strayer, Hans W. Gatzke. 
 - 4th ed. 
 - San Diego :  Harcourt Brace Jovanivich,  c1989. 
 - 2 v. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization--History