History Research Guide: Online Resources

Information on the atomic bomb that ended WWII.

A Biography of America is a telecourse and video series that presents American history as a living narrative.

Read constitutions from around the world.

This World Wide Web site presents materials from Lincoln's Illinois years (1830-1861), supplemented by resources from Illinois' early years of statehood (1818-1829).

This site contains lists of heads of state and heads of government of all countries and territories, going back to about 1700 in most cases.

The Vietnam Center and Archive collects and preserves the documentary record of the Vietnam War, and supports and encourages research and education regarding all aspects of the American Vietnam Experience.

Smithsonian magazine and Smithsonian.com place a Smithsonian lens on the world, looking at the topics and subject matters researched, studied and exhibited by the Smithsonian Institution -- science, history, art, popular culture and innovation -- and chronicling them every day for our diverse readership.

The Library of Congress is the largest library in the world, with millions of books, films and video, audio recordings, photographs, newspapers, maps and manuscripts in its collections. The Library is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office.