Webb society deep-sky observer's handbook  vol. 1, double stars 
edited by Kenneth Glyn Jones                                    
 - New Jersey  Enslow Publishers  1979 
 - viii,120p. 
<br/><br/><label>ISBN: </label>0-89490-027-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Double Stars Handbooks<br/>Handbooks-Astronomy
<br/><br/><label>Universal Decimal Class. No.: </label>524.3(035)  / JON-1