Granger
For a half century as the most convenient and reliable source for the history of the world in pictures, Granger - Historical Picture Archive (formerly known as The Granger Collection) holds millions of images spanning more than 25,000 years of world history. This New York city based collection includes engravings, photographs, lithographs, and many other forms of illustration, depicting the course of human history from before the Stone Age to the dawn of the Space Age and beyond.