Political Database of the Americas
- Constitutions and in depth political information for each country in the Western Hemisphere in both English and the native language.
- http://pdba.georgetown.edu/

Constitution finder
- This database offers constitutions, charters, amendments, and other related documents. Nations of the world are linked to their constitutional text posted somewhere on the Internet. John Paul Jones, Professor of Law, The T.C. Williams School of Law, Unive
- http://confinder.richmond.edu/index.php

International Constitutional Law
- Brief constitutional history and background for many nations.
- http://www.oefre.unibe.ch/law/icl/index.html