History 1,202 Man-woman relationships 1,014 Social conditions 384 Families 362 Social life and customs 325 Women 291 World War, 1939-1945 270 more ... Politics and government 267 Murder 204 Social aspects 144 African Americans 141 Friendship 131 Adultery 107 Revenge 104 Authors 100 Economic conditions 100 Investigation 97 Treatment 96 Fathers and sons 93 Jews 91 Motion picture producers and directors 91 Conduct of life 90 Race relations 89 Authors, American 88 Love 87 Motion pictures 87 Fathers and daughters 82 Triangles (Interpersonal relations) 81 Sexual behavior 80 Holocaust, Jewish (1939-1945) 79 less ...