| Nagasaki | A reader provided the link to this site at the Exploratorium, the museum of science, art and human perception. |
| The Atom Bomb Decision | This site groups documents and links pertaining to the US decision to use the bomb against Japan. |
| The Seattle Times | This newspaper has placed a collection of articles about the Trinity tests and the Hiroshima bombing on the web. |
| Essays on Hiroshima | Doug Long maintains this excellent site. |
| Leo Szilard | This site is a collection of documents about the atomic scientist who headed a last ditch effort to persuade President Truman not to use the bomb. |
| Hiroshima Archive | Collects documents and resources on the bombing. |