CIA World Factbook: Uruguay - Features a map and brief descriptions of geography, economy, government, and people. - https://www.cia.gov/library/publications/the-world-factbook/geos/uy.html
Lonely Planet: Uruguay - Includes facts and figures, culture, history, and tourist information. - http://www.lonelyplanet.com/worldguide/destinations/south-america/uruguay/essential?a=culture
Uruguay - A Country Study - Overview of life, history, and culture by the US Library of Congress. - http://lcweb2.loc.gov/frd/cs/uytoc.html
Infoplease.com: Uruguay - Very basic information on the land, its people, history and government. - http://www.infoplease.com/ipa/A0108124.html