Columbia subject headings:
Avignon (France)--Buildings, structures, etc.
Palace of the Popes (Avignon, France)
Harvard subject headings:
Architecture, Medieval--France--Avignon.
Avignon (France)--Buildings, structures, etc.
Catholic Church--Finance.
Palace of the Popes (Avignon, France)
Papacy--History--1309-1378
Princeton subject headings:
Avignon (France)--Buildings, structures, etc.
Palace of the Popes (Avignon, France)