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.
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...