Shapley, Harlow,    1885-1972,  <br/><br/>
Source book in astronomy, 1900-1950 /    
Harlow Shapley. 
 - Cambridge :   Harvard University Press,   1960. 
 - xv, 423 p. :    illus., diagrs., tables. ;    24 cm. 
 - Source books in the history of the sciences   .
<br/><br/>  "Identification and sources": p. 411-417. 
<br/><br/><label>LCCN: </label>60-013294 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy.--------
<br/><br/><label>Dewey Class. No.: </label>520.82 SHA