Columbia subject headings:
Francis, of Assisi, Saint, 1182-1226--In literature--Congresses.
Franciscans--In literature--Congresses.
Italian literature--History and criticism--Congresses.
Harvard subject headings:
Francis, of Assisi, Saint, 1182-1226--Influence--Congresses.
Franciscans in literature--Congresses.
Franciscans--In literature--Congresses.
Italian literature--History and criticism--Congresses
Princeton subject headings:
Francis, of Assisi, Saint, 1182-1226--In literature.--Congresses.
Franciscans--In literature--Congresses.
Italian literature--History and criticism--Congresses.