Columbia subject headings:
El Puerto de Santa María (Spain)--Commerce.
Food supply--Morocco.
Morocco--History--Sources.
Portuguese--Morocco.
Harvard subject headings:
El Puerto de Santa María (Spain)--Commerce.
Food supply--Morocco.
Morocco--History--Sources.
Portuguese--Morocco.
Princeton subject headings:
El Puerto de Santa María (Spain)--Commerce.
Food supply--Morocco.
Morocco--History--Sources.
Portuguese--Morocco.