Charles Darwin and the Theory of Evolution by Natural Selection
Authors of the Early to mid-20th Century
Warfare in the Roman Republic: From the Etruscan Wars to the Battle of Actium
Authors of The Enlightenment: 1660 to 1800
The Sun-Centered Universe and Nicolaus Copernicus
Voices of Victorian England: Contemporary Accounts of Daily Life
Johannes Kepler and the Three Laws of Planetary Motion
Explorers of the Late Renaissance and the Enlightenment: From Sir Francis Drake to Mungo Park
America in the Cold War: A Reference Guide