Khan Academy
Khan Academy: Atomic Fears and the Arms Race
Looks at the nuclear arms race in the 1950s as the United States and the USSR both stockpiled nuclear weapons. Includes 1951 propaganda video showing schoolchildren how to 'Duck and Cover' in the event of a nuclear attack. [9:15]
Other
Atom Central: Tsar Bomba King of the Bombs
Find out about a Soviet bomber that was made to be a statement of intimidation by the Soviet Union to the United States.
Library of Congress
Loc: Attacks on Intelligentsia Suppressing Dissidents
A collection of Russian documents (letters,telegrams, etc.) that supported the suppression of dissidents. Also includes an introduction explaining the dissidents.