Black's children's encyclopaedia / 
edited by William Worthy and R.J. Unstead ; [illustrated by Valerie Falla and others] 
 - 3rd ed 
 - London :  A. and C. Black,  1971. 
 - 13 v. ( [800] p.) :  ill. (some col.), maps (some col.), ports. (some col.) ;  26 cm 
<br/><br/> Also available as set of 2 vols with separate index. £5.95. sbn 7136-1111-1  Previous ed. 1967 
<br/><br/><label>ISBN: </label>071361126X 0713611111 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries
<br/><br/><label>LC Class. No.: </label>AG5 
<br/><br/><label>Dewey Class. No.: </label>032  / BLA 1971