Friendship 19 History 16 Female friendship 13 Male friendship 9 Philosophy 8 India 7 English fiction 6 Women 6 English literature 5 Gender identity 5 Literature 5 Sex differences (Psychology) 5 Sex role 5 American fiction 4 Fiction 4 History and criticism 4 International relations 4 Male friendship in literature 4 Mothers and daughters 4 Psychological fiction, Japanese 4 Social classes 4 City and town life 3 Desire in literature 3 Drew, Nancy (Fictitious character) 3 Ethics 3 Friends and associates 3 Friendship -- Fiction 3 Gays in literature 3 Interpersonal relations 3 Japanese 3