The wonderland of knowledge / 
compiled & edited by Gerald E. Speck and John Hetherington. 
 - London and Melbourne :    Ward, Lock and Co.,  c 1964. 
 - 128 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>341  341 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science.
<br/><br/><label>Dewey Class. No.: </label>030 / S31w