Camp, L. Sprague De. <br/><br/>
Ancient ruins and archaeology / 
L. Sprague De Camp and Catherine C. De Camp. 
 - New York :  Doubleday,  c1964. 
 - xvii, 294 p., [24] p. pl. :  ill., ports. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: 271-282. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extinct cities.