Columbia subject headings:
Copernicus, Nicolaus, 1473-1543.
Occultism--Early works to 1900.
Harvard subject headings:
Copernicus, Nicolaus, 1473-1543.
Occultism--Early works to 1900
Princeton subject headings:
Copernicus, Nicolaus, 1473-1543.
Occultism--Early works to 1900.