Columbia subject headings:
Canary Islands--Commerce--History.
Canary Islands--Foreign economic relations.
Merchant marine--Canary Islands--History.
Spain--History--Philip III, 1598-1621.
Harvard subject headings:
Canary Islands--Commerce--History.
Merchant marine--Canary Islands--History.
Spain--History--Philip III, 1598-1621.
Princeton subject headings:
Canary Islands--Commerce--History.
Merchant marine--Canary Islands--History.
Spain--History--Philip III, 1598-1621.