Astrophysics and twentieth-century astronomy to 1950 /    
edited by Owen Gingerich. 
 - Cambridge [Cambridgeshire] ;    New York :   New York :   New York :   New York :   New York :   New York :   New York :   New York :   Cambridge University P ress,   1984- 
 - v. <1-   > :    ill. ;    26 cm. 
 - The General history of astronomy ;   v. 4 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521242568 
<br/><br/><label>LCCN: </label>83-010164 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics --History.------<br/>Astronomy --History.------
<br/><br/><label>Dewey Class. No.: </label>520.9