Columbia subject headings:
Harvard subject headings:
German language--Germany--History--18th century.
Hemmer, Johann Jakob, 1733-1790.
Science--Germany--History--18th century.
Theology--Germany--History--18th century.
Princeton subject headings:
Hemmer, Johann Jakob, 1733-1790--Congresses.
Linguists--Germany--History--18th century--Congresses.
Scientists--Germany--History--18th century--Congresses.
Theologians--Germany--History--18th century--Congresses.