Research Guides: Foreign government information: Constitutions, laws & Treaties

Constitutions & Law

HeinOnline World Constitutions Illustrated: Contemporary & Historical Documents & Resources
- current and historical constitutions of every country in the world
- in original language and English translation

Constitute Project
World Legal Information Institute (WorldLII)
- WorldLII categories
- Subjects
JustisOne
- Includes UK Legislation from 1235 to present
- UK Case Law, Irish Law, EU Law, Caribbean Case Law, Australian Case Law, Canadian Case Law, New Zealand Case Law and European Court of Human Rights
Nexis Uni
- contains news, business and legal sources of Australia, Canada, France, New Zealand, U.K. and U.S. legal sources
- includes U.S. Supreme Court decisions dating back to 1790, cases and law reviews
The Making of Modern Law: Foreign, Comparative & International Law (1600-1926)
Government Gazettes: an annotated list of Gazettes held in the Dag Hammarskjold Library (United Nations)
Political database of the Americas

UN Treaty collection
World Treaty Library (HeinOnline)
- Historical Treaty Index (1648 - 1919)
- Multilateral Treaty Calendar (1648 -1995)
- Hein's U.S. Treaty Index (1776-current)
- Martens' Treaties (1817-1944)
- Narive American Treaties
- Rohn's World Treaty index (1900 -1980)
- League of Nations Treaty Series (1920-1946)
- United Nations Treaty Series (1946-current)
International Treaties collection (WorldLII)
- includes:
- some treaties are full text
Treaty Research (University of Toronto Law Library)
World Treaty Index

Public International Law
by John Bolan Last Updated Jun 9, 2025 625 views this year