Britannica book of the year 1974 
editedby Daphne Daume and J. E. Davis 
 - Chicago  Encyclopaedia Britannica  1974 
 - 800p. 
<br/><br/><label>ISBN: </label>0-85229-294-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Britannica Year Book<br/>NASA Thesaurus<br/>Year Books
<br/><br/><label>Universal Decimal Class. No.: </label>31  / EBR-YB74