Baker, Robert H. . <br/><br/>
Astronomy: An Introduction /  Textual Documents 
Robert H. Baker. 
 - 1st ed. / 
 - London :  Macmillan and co ,  1930. 
 - 520p. ;  23 cm.. 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Astronomy 
<br/><br/><label>Dewey Class. No.: </label>523  / B 176 As