Friendship 72 History 41 Male friendship 34 Female friendship 27 History and criticism 16 Friends and associates 15 Social life and customs 13 more ... Women 13 Interpersonal relations 11 Social aspects 11 Authors, American 9 Families 9 Man-woman relationships 9 Psychology 9 Men 8 Politics and government 8 Race relations 8 Social conditions 8 Presidents 7 Sociological aspects 7 American literature 6 American poetry 6 Friendship in literature 6 Jews 6 Social networks 6 African American women 5 Comic books, strips, etc 5 Gay men 5 Intellectual life 4 Male friendship in literature 4 less ...