Washington, D.C. : CQ Press, 1989

Washington, D.C. : CQ Press, 1993
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Thousand Oaks, CA : CQ Press, an imprint of SAGE Publications, 2014
9th ed.

Washington, D.C. : CQ Press, 1985

Washington, D.C. : CQ Press, 1998
3rd ed.

Washington, D.C. : CQ Press, 2001
5th ed.

Knoxville : University of Tennessee Press, 1983
1st ed.

Washington, D.C. : CQ Press, 1990

Washington, D.C. : CQ Press, 2011
8th ed.

Washington, D.C. : CQ Press, 2004
6th ed.

Washington, D.C. : CQ Press, 2007
7th ed.

Washington, D.C. : CQ Press, 1991
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Washington, DC : Congressional Quarterly, 1996
3rd ed.

Washington, DC : CQ Press, 2001
4th ed.

Washington, D.C. : CQ Press, 1996
3rd ed.

Thousand Oaks, California : CQ Press, an Imprint of SAGE Publications, Inc., 2020
Eleventh edition.

Thousand Oaks, California : CQ Press, an imprint of SAGE Publications, Inc. 2017
Tenth edition.

Lawrence, Kan. : University Press of Kansas, 1996