Columbia subject headings:
Silver industry--Latin America--History.
Silver mines and mining--Latin America--History.
Silverwork--Latin America--History.
Spain--Colonies--Latin America.
Harvard subject headings:
Silver industry--Latin America--History.
Silver mines and mining--Latin America--History.
Silverwork--Latin America--History.
Spain--Colonies--America.
Princeton subject headings:
Silver industry--Latin America--History.
Silver mines and mining--Latin America--History.
Silverwork--Latin America--History.
Spain--Colonies--America.