History 603 Man-woman relationships 371 World War, 1939-1945 298 Campaigns 161 Politics and government 112 Families 97 Social conditions 94 more ... Murder 84 Social life and customs 80 Friendship 67 Human-alien encounters 66 Police 64 Vietnam War, 1961-1975 62 Good and evil 60 Holocaust, Jewish (1939-1945) 59 Soldiers 59 Terrorism 57 Iraq War, 2003-2011 56 Jews 56 Women 56 Fathers and sons 55 Revenge 55 Criminal behavior 53 World War, 1914-1918 52 Publications about Graduates 49 Conduct of life 44 Foreign relations 43 Presidents 43 Criminal investigation 42 Film adaptations 42 less ...