Columbia subject headings:
Harvard subject headings:
Charles I, King of Naples, 1226-1285.
Law--France--Provence-Alpes-Côte d'Azur--History.
Taxation--Law and legislation--France--Provence-Alpes-Côte d'Azur--History.
Princeton subject headings:
Charles I, King of Naples, 1226-1285.
Law--France--Provence--History.
Taxation--Law and legislation--France--Provence--History.