Columbia subject headings:
Copernicus, Nicolaus, 1473-1543.
Philosophy of nature.
William, of Ockham, approximately 1285-approximately 1349.
Harvard subject headings:
Copernicus, Nicolaus, 1473-1543.
Philosophy of nature.
Philosophy, Medieval.
Philosophy, Renaissance--Medieval influences.
William, of Ockham, approximately 1285-approximately 1349
Princeton subject headings: