The Age of Exploration: From Christopher Columbus to Ferdinand Magellan
America in the Cold War: A Reference Guide
Authors of the Medieval and Renaissance Eras: 1100 to 1660
Authors of the Early to mid-20th Century
The Sun-Centered Universe and Nicolaus Copernicus
Authors of The Enlightenment: 1660 to 1800
Warfare in the Roman Republic: From the Etruscan Wars to the Battle of Actium
Biographies of the New World: Leif Eriksson, Henry Hudson, Charles Darwin, and More
Japanese-American Internment during World War II
Women's Rights in the United States: A Comprehensive Encyclopedia of Issues, Events, and People