Neuwirth, L. P. Knot groups/ by L.P. Neuwirth. - Princeton, N.J.: Princeton University Press, 1965. - vi, 113 p.: illus., 24 cm. - Annals of mathematics studies; 56 . Bibliography: p. 107-111. LCCN: 65014393 //r84 Subjects--Topical Terms: Knot theory. Dewey Class. No.: 514.224 / N498k