Columbia subject headings:
Harvard subject headings:
Europe--Civilization--16th century.
Italy--Intellectual life--16th century--Congresses.
Italy--Intellectual life--17th century--Congresses.
Porta, Giambattista della, approximately 1535-1615--Congresses.
Princeton subject headings:
Porta, Giambattista della, approximately 1535-1615--Criticism and interpretation--Congresses.