Atomic Archive
Atomicarchive.com: The Manhattan Project
A collection of primary source documents on the Manhatten project and the decision to drop the Atomic Bomb on Japan in 1945. Content includes letters to and from J. Robert Oppenheimer, written deals and agreements, internal memorandums,...
Other
Napf: The Manhattan Project: Leslie R. Groves
A variety of documents collected at this site from the era of the Manhattan Project involve General Leslie R. Groves. Click on those that sound interesting to put together an idea about Groves' involvement in the development of the atom...
Other
Nuclearfiles.org: Oppenheimer Affair
This site from Nuclearfiles.org allows you to read about Robert J. Oppenheimer's role in the Manhattan Project, as head of the Atomic Energy Commission and then his dismissal as a "security threat" to the U.S. government during the era...
World Wide School
World Wide School: Atomic Bombing of Hiroshima and Nagasaki
This online book provides a detailed account of the U.S. creation of the atomic bomb, the attack on Hiroshima and Nagasaki, and the aftermath. Written by The Manhattan Engineer District, a military committee, in 1946.
US Army Center
U.s. Army Center of Military History: The Decision to Use the Atomic Bomb
In-depth analysis of the decision to create and drop the atomic bomb on Japan during World War II. Includes details on the Interim Committee.
University of Minnesota
Univ. Of Minnesota: War Department Release on New Mexico Test, July 16, 1945
Originally published on July 16, 1945, this is a dramatic account of the government's testing of their latest, most powerful weapon, the atomic bomb. Describes the emotions of scientists and war officials before, during and after...