Countries' Constitution Project Websites (Librarian Approved)Project details (revised):

A good starting point for you--general information (yes, on Wikipedia!)
http://en.wikipedia.org/wiki/List_of_national_constitutions

General government structure:
https://www.cia.gov/library/publications/the-world-factbook/

General Country Information: Country Reports Database (www.ncemc.org)

Student Resources in Context: Search term "your country's name + constitution"
http://ic.galegroup.com/ic/suic/?userGroupName=lnoca_nordonia

Nationmaster (great site!)
http://www.nationmaster.com/graph/gov_con-government-constitution

http://confinder.richmond.edu/ (search for country on left-hand side of page)

http://www.constitution.org/cons/natlcons.htm (click on shapes to access documents)

European Countries:
http://www.constitution.eu/