By Duffin, Henry Charles.
Westport, Conn. Greenwood Press 1978 .
xiv, 356 p. , Reprint of the 3d ed. (1937) published by the University Press, Manchester which was issued as no. 8 of Publications of the University of Manchester, English series, and as no. 256 of Publications of the University of Manchester. | Includes index. 23 cm..
0313201099

By Duffin, Henry Charles.
New York Barnes & Noble 1962 .
158 p.