Columbia subject headings:
Callistratus, active 2nd century-3rd century. De iure fisci.
Roman law.
Harvard subject headings:
Callistratus, active 2nd century-3rd century. De iure fisci.
Fiscus (Roman law)
Rome--Politics and government--30 B.C.-284 A.D.
Tax collection (Roman law)
Tax courts--Rome.
Princeton subject headings: