The General History of Astronomy  Astrophysics abd twentieth century Astronomy to  1950:Part A/ed.by Owen Gingerich 
Owen Gingerich 
 - Cambridge  Cambridge University Press  1984 
 - 212 p.,phot. 
<br/><br/><label>ISBN: </label>0521242568 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics-Astronomy--History
<br/><br/><label>Dewey Class. No.: </label>A1001A89f1499