Africa South of the Sahara: Selected Internet Resources
A web project based at Stanford University. Searchable by country or by topic.
African Development Bank
Current economic and political overview of countries in the region.
Country Studies Series
Published by the Federal Research Division of the Library of Congress, these studies have extensive information on geography, history, and economy. Most volumes are older, but still provide good information.
World Bank: Africa and World Bank: Middle East & North Africa
World Bank country profiles, documents and statistics.
World Factbook
The CIA World Factbook has country profiles.