The World Factbook (CIA)
A reference handbook with summary information, statistics, and maps for every country.
OECD iLibrary
An online library of publications and statistics about developed countries, which can be searched by keyword or browsed by subject or country.
United Nations
This website offers official UN documents plus resource pages on issues like peacekeeping and social development. Visit the U.N. System of Organizations to find UN umbrella organizations such as the ILO, UNESCO, UNICEF, and WTO.