Sarton, George. <br/><br/>
Introduction to the history of science / 
George Sarton. 
 - New York :   Williams and wilkins,  c 1953. 
 - Vols. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>V. 3- Science and learning in the fourteen century ; 
<br/><br/>338  338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History of science
<br/><br/><label>Dewey Class. No.: </label>509 / S77i