Columbia subject headings:
Authors and publishers--Germany--Congresses.
Authors and readers--Germany--Congresses.
German literature--18th century--History and criticism--Congresses.
Harvard subject headings:
Authors and publishers--Europe, German-speaking--Congresses.
Authors and readers--Germany--Congresses.
Authors, German--18th century--Correspondence--Congresses.
Publishers and publishing--Europe, German-speaking--Correspondence--Congresses.
Princeton subject headings: