CIA World Factbook: Nigeria
- Features a map and brief descriptions of geography, economy, government, and people.
- https://www.cia.gov/library/publications/the-world-factbook/geos/ni.html

Religion and the Igbo People
- Read about the beliefs and customs of these Nigerian people.
- http://www.qub.ac.uk/english/imperial/nigeria/religion.htm

Nigeria - A Country Study
- Overview of life, history, and culture by the US Library of Congress.
- http://lcweb2.loc.gov/frd/cs/ngtoc.html