Columbia subject headings:
Africa, North--Foreign relations--Italy--Lucca (Principality)--History.
Lucca (Italy : Province)--Foreign relations--Africa, North--History.
Lucca (Italy : Province)--History.
Missions, Italian--Africa, North--History.
Harvard subject headings:
Africa, North--Commerce--Italy.
Italians--Africa, North--History--17th century.
Lucca (Italy)--Commerce--Africa, North.
Lucca (Italy)--History.
Ransom--Africa, North--History--17th century.
Ransom--Italy--Lucca--History--17th century.
Slavery--Africa, North--History--17th century.
Slaves--Italy--Lucca--History--17th century.
Princeton subject headings: