- Author: Pippa Norris
- Language: English
- Year: 2011
- Author: Goran Hyden, Julius Court, Kenneth Mease
- Language: English
- Year: 2004
- Author: Linda White, Thomas O. Hueglin, Richard Simeon, Robert Vipond, Jennifer Wallner, Keith G. Banting, Alan C. Cairns, James Farney, Rodney S. Haddow, Ran Hirschl
- Language: English
- Year: 2008
- Author: John Meligrana
- Language: English
- Year: 2003
- Author: Louise Chappell
- Language: English
- Year: 1999
- Author: Roger D. Congleton, Birgitta Swedenborg, Birgitta Swedenborg
- Language: English
- Year: 2006
- Author: Howard J. Wiarda
- Language: English
- Year: 2014
- Author: Brian Seitz, Thomas Thorp
- Language: English
- Year: 2013
- Author: Uwe Backes Steffen Kailitz
- Language: English
- Year: 2016
- Author: Kevin W. Saunders
- Language: English
- Year: 2017