Columbia subject headings:
Le Fèvre, Jean, approximately 1320-approximately 1390. De planctu bonorum.
Papacy--History--1309-1378.
Schism, The Great Western, 1378-1417.
Harvard subject headings:
Giovanni, da Legnano, -1383.
Le Fèvre, Jean, approximately 1320-approximately 1390. De planctu bonorum.
Schism, The Great Western, 1378-1417.
Princeton subject headings: