Encyclopedia year book 19.. 

 - Canada :  Grolier incorporated,  n.d 
 - 575 p :  Illus, maps ;  26 cm. 
<br/><br/> Library has: 1975, 1981 and 1982 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>031  / E61