Columbia subject headings:
Harvard subject headings:
Herve Region (Belgium)--Commerce--History--18th century.
Herve Region (Belgium)--Economic conditions.
Income--Belgium--Herve Region--History--18th century.
Industries--Belgium--Herve Region--History--18th century.
Produce trade--Belgium--Herve Region--History--18th century.
Princeton subject headings:
Herve Region (Belgium)--Economic conditions.
Rent (Economic theory)
Wealth--Belgium--Herve Region--History--18th century.