Columbia subject headings:
Harvard subject headings:
Astronomy--Early works to 1800--Bibliography--Exhibitions.
Copernicus, Nicolaus, 1473-1543--Exhibitions.
Copernicus, Nicolaus, 1473-1543. De revolutionibus orbium coelestium--Exhibitions.
Mathematics--Early works to 1800--Bibliography--Exhibitions.
Princeton subject headings:
Astronomy--Early works to 1800--Bibliography--Exhibitions.
Copernicus, Nicolaus, 1473-1543--Exhibitions.
Mathematics--Early works to 1800--Bibliography--Exhibitions.