Columbia subject headings:
Economic history--Medieval, 500-1500--Congresses.
Francis, of Assisi, Saint, 1182-1226--Congresses.
Poverty--History--Congresses.
Harvard subject headings:
Economic history--Medieval, 500-1500--Congresses.
Francis, of Assisi, Saint, 1182-1226--Congresses.
Poverty--History--Congresses.
Princeton subject headings:
Francis, of Assisi, Saint, 1182-1226--Congresses.
Poverty--History--Congresses.