List of countries by system of government

Wikipedia and Wikis

• List of countries by system of government - Wikipedia
  http://en.wikipedia.org/wiki/List_of_countries_by_ ...

Other

• Countries categorized by system of government in 20th century at Historical Atlas of 20th Century
  http://users.erols.com/mwhite28/20centry.htm
• Freedom in the World
  http://65.110.85.181/uploads/pdf/essay2006.pdf
• Global Scan- Election Tracker
  http://www.angus-reid.com/tracker/index.cfm

Keywords and Synonyms

• List of countries by system of government, Countries by system of government