Columbia subject headings:
Indians of North America--Employment--Bolivia--Potosí (Department)--History.
Silver miners--Bolivia--Potosí (Department)--History.
Silver mines and mining--Bolivia--Potosí (Department)--History.
Harvard subject headings:
Indians of South America--Employment--Bolivia--Potosí (Department)--History.
Silver miners--Bolivia--Potosí (Department)--History.
Silver mines and mining--Bolivia--Potosí (Department)--History.
Princeton subject headings:
Indians of South America--Bolivia--Potosí (Dept.)--Employment--History.
Silver miners--Bolivia--Potosí (Dept.)--History.
Silver mines and mining--Bolivia--Potosí (Dept.)--History.