History 8 Wilderness survival 6 Juvenile literature 5 Politics and government 5 Campaigns 4 Management 4 Combat survival 3 Armed Forces 2 Computer networks 2 Design and construction 2 Equipment and supplies 2 Foreign relations 2 Globalization 2 Handbooks, manuals, etc 2 Liberalism 2 Personal narratives, American 2 Personal narratives, North Vietnamese 2 Scores and parts 2 Snipers 2 Sniping (Military science) 2 Survival skills 2 Total quality management 2 Trumpet and piano music 2 Trumpet and piano music, Arranged 2 Vietnam War, 1961-1975 2 1989- 1 Adaptive filters 1 Afghan War, 2001 1 Army 1 Australia 1