Thomas, Gordon Kent, 1935-

Lincoln, University of Nebraska Press [1971]

Internet Archive >> None

Hickey, Alison, 1963-

Stanford, Calif. : Stanford University Press, 1997.

Internet Archive >> None

Bode, Christoph, 1952-

Bonn : Bouvier, 1977.

Internet Archive >> None

Page, Judith W., 1951-

Berkeley : University of California Press, c1994.

Internet Archive >> None

Williams, John, 1946-

Manchester ; New York : Manchester University Press ; New York, NY, USA : Distributed exclusively in the USA and Canada by St. Martin's Press, c1989.

Internet Archive >> None

Erskine-Hill, Howard

Oxford : Clarendon Press, 1996.

Internet Archive >> None