World Constitution Finder
ARDA (Association of Religion Data Archives)
CIA World Factbook
Rapporteur’s Digest on Freedom of Religion or Belief (2011)
Religious Rights: International Legal Instruments (UNESCO)
Study Guide: Freedom of Religion or Belief
UN Special Rapporteur on Freedom of Religion or Belief
U.S. Commission on International Religious Freedom
U.S. State Department International Religious Freedom Reports (2001-present)
U.S. State Department International Religious Freedom Reports (1999-2000)