History 4 Leadership 4 Handbooks, manuals, etc 3 Jihad 3 War 3 Warships 3 Army 2 Biography 2 Education 2 Evaluation research 2 Foreign relations 2 Islam 2 Linguistics 2 Religious aspects 2 Social aspects 2 Success in business 2 Survival skills 2 United States 2 Wilderness survival 2 World War, 1914-1918 2 World War, 1939-1945 2 20th century 1 Alternative treatment 1 Atomic bomb 1 Businessmen,Great Britain 1 Campaigns 1 Canadian Coast Guard 1 College teachers, Part-time 1 College teaching 1 Combat 1