CIA World Factbook: Paraguay
Features a map and brief descriptions of geography, economy, government, and people.
Infoplease.com: Paraguay
Very basic information on the land, its people, history and government.
Lonely Planet: Paraguay
Includes facts and figures, culture, history, and tourist information.
Paraguay - A Country Study
Overview of life, history, and culture by the US Library of Congress.
Worldinformation.com: Paraguay
Includes key facts, profile, visitors guide, news, and weather.