Columbia subject headings:
Harvard subject headings:
Science--Congresses
Soemmerring, Samuel Thomas von, 1755-1830--Congresses.
Princeton subject headings:
Germany--Intellectual life--Congresses.
Medicine--Germany--History--Congresses.
Natural history--Germany--History--Congresses.
Science--Germany--History--Congresses.
Soemmerring, Samuel Thomas von, 1755-1830--Congresses.