Columbia subject headings:
Bona, Queen, consort of Sigismund I, King of Poland, 1494-1557--Correspondence.
Lanza, Pompeo, active 16th century--Correspondence.
Queens--Poland--Correspondence.
Harvard subject headings:
Bona, Queen, consort of Sigismund I, King of Poland, 1494-1557.
Italy--Relations--Poland.
Poland--Relations--Italy.
Princeton subject headings: