American

• American Civil War HomePage: Set of links to diaries, letters, battle descriptions, timelines, bibliographies, military rosters, maps & graphics related to the war between the states
• American Memory from the Library of Congress: American Memory consists of collections of primary source and archival material relating to American culture and history. These historical collections are the Library of Congress's key contribution to the national digital library.

World

• Eighteenth-Century Resources
• Historical Text Archive (Mississippi State University)
• Hyper History Online: "A growing web project which covers 3,000 years of world history"
• Labyrinth: Links to medieval studies
• This Day in History
• Those Were the Days
• World War II Links on the Internet