Columbia subject headings:
Harvard subject headings:
Franciscans--History.
Olivi, Pierre Jean, 1248 or 1249-1298
Poverty, Vow of--History of doctrines--Middle Ages, 600-1500.
Poverty, Vow of--History.
Poverty--Religious aspects--Christianity--History of doctrines--Middle Ages, 600-1500.
Princeton subject headings:
Franciscans--History.
Olivi, Pierre Jean, 1248 or 1249-1298.
Poverty, Vow of--History.