Shapley, Harlow <br/><br/>
Source Book in Astronomy 1900- 1950.   
  

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 - Cambridge  Harvard University Press  1960 
 - Xv, 423Pgs; Index 23.5 Cms, Fronts, Illus, Photos, Diagrs, Tables, Bibliography. [contains a collection of selection of 
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy & Allied Sciences
<br/><br/><label>Dewey Class. No.: </label>520.9 Sha/Son