- Chiefs of State
The CIA publishes and updates this online directory regularly. It is intended to be used primarily as a reference aid and includes as many governments of the world as is considered practical.
- Country Studies
A Library of Congress website providing the historical setting, the social, economic, political, and national security systems, and institutions of countries throughout the world.
- Foreign Governments
Contains the official websites of governments around the world, often with direct links to presidents and prime ministers, parliaments, ministries and departments.