Soldiers History 998 World War, 1939-1945 241 Campaigns 197 Armed Forces 144 Military life 139 History, Military 134 more ... Social aspects 132 Regimental histories 125 World War, 1914-1918 121 Social conditions 116 Veterans 96 Psychological aspects 92 Psychology 62 Religious life 60 Mental health 56 Officers 56 Vietnam War, 1961-1975 56 Conduct of life 54 Health and hygiene 52 War 51 Billeting 50 Medical care 48 Iraq War, 2003-2011 47 Politics and government 43 Family relationships 42 Post-traumatic stress disorder 39 Military art and science 37 Prisoners of war 35 Attitudes 34 less ...