1974   Britannica book of the year 

 - Chicago :  Helen Hemingway benton publisher ;  1974 
 - 800 p :  ill;  28 cm 
<br/><br/><label>ISBN: </label>0-85229-294-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General encyclopaedic works
<br/><br/><label>Dewey Class. No.: </label>030