Syracuse, N.Y. : Syracuse University Press, 1994.

Internet Archive >> None

London ; New York : Longman, 1996.

Internet Archive >> None

Weber, Eugen Joseph, 1925-

Malabar, Fla. : R.E. Krieger Pub. Co., 1982, c1964.

Internet Archive >> None

Westport, Conn. : Greenwood Press, c2002.

Internet Archive >> None

Washington, D.C. : Congressional Quarterly, c1991.

Internet Archive >> None

Westport, Conn. : Greenwood Press, 2001.

Internet Archive >> None

Norquay, Glenda, 1958-

Manchester ; New York : Manchester University Press ; New York : Distributed exclusively in the USA and Canada by St. Martin's Press, 1995.

Internet Archive >> None

New York : World Almanac, 1992.

Internet Archive >> None

Toronto ; Buffalo : University of Toronto Press, [1974]-1982.

Internet Archive >> None

Conacher, J. B.

New York, Wiley [1971]

Internet Archive >> None