McMann, Jean. <br/><br/>
Riddles of the stone age :  Rock carvings of Ancient Europe / 
Jean McMann. 
 - London :  Thames and Hudson,  c1980. 
 - 160 p. :  ill. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>(N.A.) :  (N.A.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroglyphs--Europe.<br/>Rock paintings--Europe.
<br/><br/><label>Dewey Class. No.: </label>709.01130936