Britannica book of the year, 1973 / 
 1973 Britannica book of the year. 
William Benton, publisher. 
 - Chicago :  Encyclopaedia Britannica,  1973. 
 - 800 p. :  ill. (some col.), maps, ports. ;  29 cm. 
<br/><br/> Includes index.<br/>Spine title: Events of 1972. 
<br/><br/><label>ISBN: </label>0852292881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.<br/>Enciclopedias y diccionarios.
<br/><br/><label>LC Class. No.: </label>R AE 5  / B862 1973 
<br/><br/><label>Dewey Class. No.: </label>031