Man-woman relationships 138 History 38 Social life and customs 28 Murder 27 Women 27 Families 26 Friendship 23 more ... Adultery 16 Love 13 World War, 1939-1945 13 Gangsters 12 Investigation 12 Triangles (Interpersonal relations) 12 Mothers and sons 11 Conduct of life 9 Fathers and sons 9 Married people 9 Comedians 8 Criminal investigation 8 Criminals 8 Marriage 8 Motion picture producers and directors 8 Revenge 8 Sexual behavior 8 World War, 1914-1918 8 Criminal behavior 7 Fathers and daughters 7 Journalists 7 Police 7 Social conditions 7 less ...