Ronan, Colin A <br/><br/>
Optical astronomy:  changing horizons 
[by] Colin A. Ronan. 25 diagrams by David Wheeler. 
 - London,  Phoenix House;  [1964] 
 - 68 p.  illus.  23 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Astronomy--Popular works 
<br/><br/><label>Dewey Class. No.: </label>523  / RON