Subject
History
World War, 1939-1945 Campaigns
27
United States History, Military
10
World War, 1939-1945 Regimental histories
9
Vietnam War, 1961-1975
7
Korean War, 1950-1953 Campaigns
6
Medicine, Military History
6
Reorganization
6
Military engineering History
4
Non-commissioned officers
4
Organization
4
African American troops
3
Counterinsurgency
3
Military doctrine History
3
Military history
3
Persian Gulf War, 1991
3
United States Foreign relations
3
World War, 1939-1945
3
Aviation
2
Burma History
2
Canals Design and construction
2
Command of troops
2
Drill and tactics
2
Equipment
2
Germany History
2
Insurgency History
2
Internal security History
2
Iraq War, 2003-2011 Campaigns
2
Korean War, 1950-1953
2
Korean War, 1950-1953 Participation, African American
2
Korean War, 1950-1953 Regimental histories
2
Medical care
2
Mediterranean Region Military relations
2
Middle East Military relations
2
Military architecture History
2
Military engineers History
2
Military nursing History
2
Military planning
2
Military weapons History
2
Panama Canal (Panama) History
2
Riots History
2
United States History Medical care
2
United States Military relations
2
Vietnam Foreign relations
2
Vietnam History
2
Vietnam History, Military
2
Vietnam War, 1961-1975 Campaigns
2
Vietnam War, 1961-1975 Engineering and construction
2
Vietnam War, 1961-1975 Peace
2
World War, 1914-1918
2
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