Subject
Arms control History
2
Cabinet officers
2
History
2
National security History
2
Officials and employees
2
Soviet Union Military policy
2
Spies
2
United States Military policy
2
United States Politics and government
2
World politics
2
Ambassadors
1
Espionage History
1
Espionage, Soviet History
1
Nuclear weapons
1
Nuclear weapons History
1
Physicists
1
Soviet Union Foreign relations
1
United States Foreign relations
1