Columbia subject headings:
Harvard subject headings:
Atomic bomb--Moral and ethical aspects.
Cold War
International relations
Manhattan Project (U.S.)
National security--United States--History--20th century
Nuclear physicists--United States.
Nuclear physics--United States--History--20th century.
Peace
Princeton subject headings:
Atomic bomb--Moral and ethical aspects.
Cold War.
International relations.
Manhattan Project (U.S.)
National security--United States--History--20th century.
Nuclear physicists--United States.
Nuclear physics--United States--History--20th century.
Peace.