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Subject
- History17
- Vietnam War, 1961-19758
- Campaigns6
- Aerial operations, American4
- Hmong (Asian people)4
- Unexploded ordnance4
- Ethnology3
- Foreign relations3
- Land mine victims3
- Cluster bombs2
- Land mines2
- Social life and customs2
- United States. Air Force2
- Bomb reconnaissance1
- Bombing, Aerial1
- Bombs1
- Diplomatic relations1
- Explosive ordnance disposal1
- Great Britain. Foreign Office1
- Hmong Americans1