Columbia subject headings:
Patron and client--Economic aspects--Rome.
Patronage, Political--Economic aspects--Rome.
Rome--Economic conditions.
Harvard subject headings:
Patron and client--Economic aspects--Rome.
Patron and client--Rome--Economic aspects.
Patronage, Political--Economic aspects--Rome.
Patronage, Political--Rome--Economic aspects.
Rome--Economic conditions.
Princeton subject headings:
Patron and client--Rome--Economic aspects.
Patronage, Political--Rome--Economic aspects.
Rome--Economic conditions.