Strayer, Joseph R. <br/><br/>
The mainstream of civilization :  to 1715 / 
by Joseph R. Strayer. 
 - 2nd  ed. 
 - New York :  Harcourt,  c1974. 
 - 499  p. :  ill. 
<br/><br/> Inludes index. 
<br/><br/><label>ISBN: </label>015551556x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization--Ancient.<br/>Civilization--Medieval.
<br/><br/><label>LC Class. No.: </label>CB68  / .S7