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Bloomington Indiana University Press 1968 .
174 p. 22 cm..

By Gibbons, Brian.
Cambridge Harvard University Press 1968 .
223 p.

By Campbell, Oscar James.
New York Oxford University Press 1943 .
xii, 227 p.

By Walker, Hugh.
New York Octagon Books 1965 .
viii, 325 p. , "Originally published 1925." 21 cm..

By Dixon, Peter..
London Methuen 1968 .
xiv, 218 p. 23 cm..

By Paulson, Ronald.
New Haven Yale University Press 1967 .
318 p. 22 cm..

By Heiserman, Arthur Ray.
Chicago University of Chicago Press 1961 .
326 p. , Includes index. | Midway reprint 1973.