Bates, Robert Latimer.  <br/><br/>
Our modern stone age / 
Robert Latimer Bates and Julia A. Jackson. 
 - California :  William kaufmann,  c 1982. 
 - 132 p. :  ill. ;  29 cm. 
<br/><br/> Include index. 
<br/><br/>340  340 
<br/><br/><label>ISBN: </label>0-86576-027-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nonmetallic minerals.
<br/><br/><label>Dewey Class. No.: </label>553 / B316o