Curry, Walter Clyde <br/><br/>
Chaucer and the mediaeval sciences  Walter Clyde Curry. 

 - 2nd ed.. 
 - London  george Allen and Unwin  1960 
 - xxvi, 367p: ill. 22 cm. 
<br/><br/><label>Dewey Class. No.: </label>509  / C90S