Abell, G. O.  1927- <br/><br/>
Exploration of the universe / 
by George O. Abell 
 - Rinehart and Winston, New York :  Holt,  1964 
 - 646 p. :  ill. ;  24 cm. 
<br/><br/> Pages of plates perforated on inside edge 
<br/><br/><label>ISBN: </label>0030896657 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy