Blacks children's encyclopaedia / 
edited by William Worthy and R. J. Unstead 
 - London :  Adam and Charles Black,  1961 
 - 1v. (various pagings) ;  25 cm. 
<br/><br/> Library has vol. 2  Includes index 
<br/><br/>Vol. 2. Zuyder Zee 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>030