The Manhattan Project Resources

U.S. Department of Energy

HSS Office of Classification

Office of History and Heritage Resources

Spotlight Archive

Calutron (Y-12) Operators Manhattan ProjectThe Manhattan Project: Resources — The Department of Energy's Office of Classification and Office of History and Heritage Resources have joined together in a collaborative effort to make available historical information and key documentation on the Manhattan Project effort during World War II to build the atomic bomb. See The Manhattan Project: Resources.

National Security Information Fundamental Classification Guidance Review — In June 2012, the Office of Classification published the "National Security Information Fundamental Classification Guidance Review." See report.
Atomic Energy Commission's Secretariat Files — The Office of Classification is releasing declassified, historical documents of the Atomic Energy Commission's Secretariat files. These files, dated from 1958 to 1966, give insight into the activities of the Atomic Energy Commission during a key segment of the Cold War Era. See collection.
Human Radiation Experiments: — This collection of documents tells the Department of Energy's Cold War story of radiation research using human subjects. See collection.