Columbia subject headings:
Harvard subject headings:
Asia--Colonization--History--Sources.
Asia--Commerce--Portugal--History--16th century--Sources.
Merchants, Foreign--Asia--History--16th century--Sources.
Merchants, Foreign--Portugal--History--16th century--Sources.
Merchants--Italy--Florence--History--16th century--Sources.
Portugal--Colonies--Asia--History--16th century--Sources.
Portugal--Commerce--Asia--History--16th century--Sources.
Princeton subject headings:
Asia--Commerce--Italy--Florence--History--16th century.
Florence (Italy)--Commerce--Asia--History--16th century.
Italians--Asia--History--16th century.
Merchants, Foreign--Asia--History--16th century.