Columbia subject headings:
Harvard subject headings:
Freed persons--Rome--History.
Freedman--Rome--History.
Rome--Economic conditions
Rome--History--Servile Wars, 135 B.C.-71 B.C.
Rome--Social conditions
Slave insurrections--Rome--History.
Slavery--Rome--History
Slaves--Emancipation--Rome--History.
Social structure--Rome.
Princeton subject headings:
Freed persons--Rome--History.
Slavery--Rome--History.