Nassau, Jason John . <br/><br/>
Practical Astronomy /  Textual Documents 
Jason John Nassau. 
 - 1st ed. / 
 - New York :  McGraw - Hill book company ,  1948. 
 - xii,311p. ;  23cm. 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Astronomy G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>523  / N 187 P