Columbia subject headings:
Friendship in literature.
Lessing, Gotthold Ephraim, 1729-1781--Criticism and interpretation.
Harvard subject headings:
Friendship in literature
Friendship--Philosophy.
German drama--18th century--History and criticism.
Lessing, Gotthold Ephraim, 1729-1781--Criticism and interpretation.
Princeton subject headings:
Friendship in literature.
Lessing, Gotthold Ephraim, 1729-1781--Criticism and interpretation.