Columbia subject headings:
Harvard subject headings:
Deutsche Akademie der Naturforscher Leopoldina--Archives--Exhibitions.
Deutsche Akademie der Naturforscher Leopoldina--History--Exhibitions.
Deutsche Akademie der Naturforscher Leopoldina--History.
Learned institutions and societies--Germany--Halle an der Saale--History--Exhibitions.
Learned institutions and societies--Germany--History.
Science--History
Science--History--Exhibitions.
Princeton subject headings:
Deutsche Akademie der Naturforscher Leopoldina--Archives--Exhibitions.
Deutsche Akademie der Naturforscher Leopoldina--History--Exhibitions.
Learned institutions and societies--Germany--Halle an der Saale--History--Exhibitions.
Science--History--Exhibitions.