The New American Gazetteer

Encyclopedia of the World's Nations And Cultures

The Encyclopedia of the World's Nations (Facts on File Library of World History)

The Nobel Scientists

The Illustrated Book of World Rankings

World encyclopedia of cities

World Encyclopedia of Police Forces and Correctional Systems

Nelson's Dictionary of Christianity

Datapedia of the United States

Nelson's New Christian Dictionary The Authoritative Resource On The Christian World

The encyclopedia of the Republican Party