Armitage, Angus . <br/><br/>
The World of Copernicus /  Textual Documents 
Angus Armitage. 
 - 1st ed. / 
 - New York :  The New American Library ,  1946. 
 - 165p. :  ill ;  18cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Copernicus-World Astronomy G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>520  / Ar 55 W