CIA - Chiefs of State and Cabinet Members of Foreign Governments: Burundi - List of government officials and their titles, updated weekly. Also includes the head of the central bank, ambassadors to the United States and Permanent Representatives to the UN, New York. - https://www.cia.gov/library/publications/world-leaders-1/world-leaders-b/burundi.html
World Statesmen - Burundi - Review of the country's history, politics, leaders and international organizations and treaties. Includes map, constitution, national anthem and pictures of historical flags. - http://www.worldstatesmen.org/Burundi.html
World Legal Information Institute - Burundi - Catalog and search facilities for over 500 databases from 55 countries including case-law, legislation, treaties, law reform reports, law journals, and other materials. - http://www.worldlii.org/catalog/2678.html
US Law Library of Congress - Burundi - Annotated compendium of online sources providing access to primary documents, legal commentary and general government information about specific jurisdictions and topics. - http://www.loc.gov/law/guide/burundi.html