Columbia subject headings:
Lessing, Gotthold Ephraim, 1729-1781--Criticism and interpretation--Congresses.
Harvard subject headings:
Lessing, Gotthold Ephraim, 1729-1781--Criticism and interpretation--Congresses.
Princeton subject headings:
Lessing, Gotthold Ephraim, 1729-1781--Criticism and interpretation--Congresses.