Man-woman relationships 323 History 149 Families 92 Social life and customs 77 Women 76 Murder 62 World War, 1939-1945 58 more ... Adultery 37 Social conditions 37 Friendship 36 Love 30 Conduct of life 28 Fathers and daughters 26 Investigation 26 Married people 26 Revenge 26 Sexual behavior 26 Triangles (Interpersonal relations) 26 Gangsters 24 Fathers and sons 22 Police 22 Mothers and sons 21 Criminals 19 Kidnapping 17 Marriage 17 Motion picture producers and directors 17 World War, 1914-1918 17 Young women 17 Soldiers 16 Criminal behavior 15 less ...