Columbia subject headings:
Augustine, of Hippo, Saint, 354-430--Influence.
Petrarca, Francesco, 1304-1374--Sources.
Harvard subject headings:
Augustine, of Hippo, Saint, 354-430--Influence--Congresses.
Petrarca, Francesco, 1304-1374--Criticism and interpretation--Congresses.
Princeton subject headings:
Augustine, of Hippo, Saint, 354-430--Influence--Congresses.
Petrarca, Francesco, 1304-1374--Criticism and interpretation--Congresses.