Crowell, Richard H. <br/><br/>
Introduction to knot theory / 
by Richard H. Crowell and Ralph H. Fox. 
 - Boston :  Ginn and co.,  c1963 [second printing 1965]. 
 - x, 182 p. :  ill. ;  24 cm. 
 - Introductions to higher mathematics .
 - Introductions to higher mathematics .
<br/><br/>Include bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knot theory.
<br/><br/><label>Dewey Class. No.: </label>514.2242  / CRI 1963