• BBC:Ancient History
• The Encyclopedia of World History: Prehistoric Times
• Exploring Ancient World Cultures
• Internet Ancient History Sourcebook
• Internet Public Library: Prehistoric and Ancient History
• Perseus Project
• Western Civilization Webography Project

Western Civilization, 300-1500CE

• Byzantine and Medieval Web Links
• The English Renaissance in Context
• European Middle Ages
• Illustrated History of the Roman Empire
• Internet Medieval Sourcebook
• Internet Public Library: Medieval (Middle Ages) History
• The Medieval Page: Sources for Medieval Studies on the WWW
• Western Civilization Webography Project

Western Civilization, 1500CE-present

• Cold War International History Project
• Elizabethan Era
• Holocaust Educational Resource (Nizkor)
• The Industrial Revolution: Shaping of the Modern World
• Internet Modern History Sourcebook
• The Napoleonic Wars Series
• Slave Movement During the Eighteenth and Nineteenth Centuries
• The Thirty Years' War Home Page
• United States Holocaust Memorial Museum
• The Victorian Web
• Western Civilization Webography Project
• The World War I Document Archive
• World War II Resources: Primary Source Materials on the Web

History of Latin America

• CasaHistoria
• History in Latin America - LANIC
• HistoryWorld - Latin America
• Internet Modern History Sourcebook: 19th Century Latin America
• Latin American Prehistory Web Page (Minnesota State University, Mankato)
• Library of Congress Handbook of Latin American Studies Online
• Research Sites for Latin American History Since 1826

United States History

• Africans in America
• The American Civil War Home Page
• American Memory from the Library of Congress
• The American Revolution
• The Archive of Early American Images
• A Biography of America
• The Founders' Constitution: "This collection of thoughts, opinions, and arguments of the Founders is meant to be useful to different kinds of readers, and hence useful in a variety of ways."
• Harper's Weekly
• Historical Maps of the United States
• Primary Documents in American History: The Library of Congress Collection Guides & Bibliographies
• Outline of U.S. History
• The Presidents of the United States
• United States History
• Voices of Civil Rights

Women's History

• American Women: A Gateway to Library of Congress Resources
• Diotima: Women & Gender in the Ancient World
• Internet Women's History Sourcebook
• National Women's History Project
• Women Soldiers of the Civil War
• Working Women - 1870 - 1930

Local History

• Chicago: City of the Century (PBS)
• Chicago Imagebase (University of Illinois)
• Digital Past
• Encyclopedia of Chicago (Chicago Historical Society)
• McHenry County Historical Society
• Illinois State Archives