CIA Factbook : Estonia

Brief descriptions of geography, economy, government, and people.
http://www.cia.gov/cia/publications/factbook/geos/en.html

Lonely Planet: Estonia

Includes facts and figures, culture, history, and tourist information.
http://www.lonelyplanet.com/destinations/europe/estonia/culture.htm

Estonia - A Country Study

Overview of life, history, and culture by the US Library of Congress.
http://lcweb2.loc.gov/frd/cs/eetoc.html