CIA - The World Factbook -- Bhutan - Offers map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues. - https://www.cia.gov/library/publications/the-world-factbook/geos/bt.html
Wikipedia- Bhutan - Offers article on history, geography, government, economy, people, transportation, culture, language and education. - http://en.wikipedia.org/wiki/Bhutan
Bhutan - The Last Shangri-La - Features animal archive, overview of culture and history, and teachers' resources. Companion site to the PBS program. - http://www.pbs.org/edens/bhutan/
Bhutan - A Country Study - Overview of life, history, and culture by the US Library of Congress. - http://lcweb2.loc.gov/frd/cs/bttoc.html