Bok, Bart Jan,  1906- <br/><br/>
The Milky Way/ 
Bart J. Bok and Priscilla F. Bok. 
 - 4th ed. revised and enlarged. 
 - Cambridge, Mass.:  London:  Harvard University Press,  1976 [i.e. 1977]. 
 - [7], 273 p.:  ill., charts;  24 cm. 
 - The Harvard books on astronomy .
<br/><br/> This ed. originally published: 1974.  Includes index.  ISBN 0-674-57502-4 Pbk : 4.50. 
<br/><br/><label>ISBN: </label>0674575016 : 0674575024 
<br/><br/><label>LCCN: </label>73083418 
<br/><br/><label>Nat. Bib. No.: </label>GB77-12429 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Milky Way
<br/><br/><label>Dewey Class. No.: </label>523.113  / B686m