Baker, Robert Horace <br/><br/>
An Introduction to astronomy 
R. H. Baker and L. W. Frederick 
 - 7th ed. 
 - Princeton, N. J.  D. Van Nostrand  1968 
 - ix, 365p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Universal Decimal Class. No.: </label>52  / BAK