Columbia subject headings:
America--Discovery and exploration--Moral and ethical aspects.
America--Discovery and exploration--Religious aspects.
Jurisprudence--Spain--History.
Law--Philosophy--History.
Natural law--History.
Natural law--Study and teaching--Spain.
Harvard subject headings:
Jurisprudence--Latin America--History.
Jurisprudence--Spain--History.
Law--Philosophy--History
Natural law--History.
Princeton subject headings: