Columbia subject headings:
Friendship in literature.
Literature--Women authors--History and criticism.
Women and literature.
Women in literature.
Harvard subject headings:
Friendship in literature
Literature--Women authors--History and criticism.
Women and literature.
Women in literature
Princeton subject headings:
Friendship in literature.
Literature, Modern--Women authors--History and criticism.
Women and literature.
Women authors--Social networks.
Women in literature.