Bok, Bart Jan, 1906-  Bok, Bart Jan, 1906- <br/><br/>
The Milky Way / 
Bart J. Bok and Priscilla F. Bok. 
 - 4th ed., rev. and enl. 
 - Cambridge :  Harvard University Press,  1974. 
 - Harvard books on astronomy .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0674575016 
<br/><br/><label>LCCN: </label>73083418 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Milky Way.
<br/><br/><label>LC Class. No.: </label>QB857.7  / .B64 1974 
<br/><br/><label>Dewey Class. No.: </label>523.1/13