Educational magazines
- Alexandra Fyodorovna
- Alfred Russel Wallace Web Site (1843–1913)
- Alvin C. York
- Ambrose, Stephen E.
- America's Emergence as A World Power
- Americans' Reactions to Benedict Arnold's Treason
- An Unpromising Beginning
- Ancient, Medieval, and Renaissance Eras
- Antonio Eulate
- Antonio López de Santa Anna
- Apollo Lunar Surface Journal (1969–72)
- Art, Entertainment, and Propaganda
- Assembling an Army (1775–1776)
- Background to War
- Barker, Rodney
- BirdNet—The Ornithological Information Source The Ornithological Council (1997–)
- Brant, Mary "Molly"
- British Actions, Colonial Reactions
- Buildup to War
- Calixto García