Baker, Robert H. . <br/><br/>
An Introduction to Astronomy /  Textual Documents 
Robert H.Baker. 
 - 4th ed. / 
 - London :  D. Van Nostrand Co., Inc ,  1952. 
 - 306p. :  ill ;  22cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Astronomy G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>523  / B 176 In