The World Book Encyclopedia

 World Book, Inc.;

Chicago : : World Book, , 2007

The new encyclopaedia Britanica

 Safra, Jacob E.;

Chicago : Encyclopaedia Britanica , 2003

APA dictionary of psychology

 VandenBos, Gary R.; American Psychological Association.;

Washington, D.C. : American Psychological Association, , 2006

The encyclopedia of democracy

 Lipset, Seymour Martin;

Washington, D.C. : CQ Press , 1995

The concise encyclopedia of democracy

 Quarterly, Congressional;

Washington, D.C. : CQ Press , 2000

Elections A to Z

 Moore, John L.;

Washington, D.C. : CQ Press , 2003

The Oxford Guide to the United States Goverment

 Patrick, John J.; Pious, Richard M; Ritchie, Donald;

New York : Oxford University Press , 2001

Encyclopedia of human rights issues since 1945

 Langley, Winston E.;

Westport, Connecticut : Greenwood Press , 1999

The Harpercollins encyclopedia of catholicism

 McBrien, Richard P.;

San Francisco : Harper , 1995

The New encyclopedia of Judaism

 Wigoder, Geoffrey;

New York : New York University Press , 2002

Pages