Columbia subject headings:
Castiglioni, Alfonso.
Mai, Angelo, 1782-1854.
Mellerio, Giacomo, 1777-1847.
Harvard subject headings:
Castiglioni, Alfonso.
Mai, Angelo, 1782-1854.
Mellerio, Giacomo, 1777-1847.
Princeton subject headings:
Castiglioni, Alfonso, 1756-1834--Correspondence.
Mai, Angelo, 1782-1854.
Mellerio, Giacomo, 1777-1847--Correspondence.
Milan (Italy)--History--19th century--Sources.
Politicians--Italy--Milan--Correspondence.