Bok,  Barth  J. <br/><br/>
The Milky Way / 
Barth J.Bok, Priscilla F.Bok 
 - 2nd ed. 
 - Philadelphia :  The Blakiston Company,  1945 
 - 224 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics
<br/><br/><label>Subjects--Index Terms: </label>Milky Way 
<br/><br/><label>Dewey Class. No.: </label>B1502B69f436