Columbia subject headings:
Broughton, T. Robert S. (Thomas Robert Shannon), 1900-1993.
Rome--History--Republic, 510-30 B.C.
Harvard subject headings:
Broughton, T. Robert S. (Thomas Robert Shannon), 1900-
Rome--History--Republic, 510 B.C.-30 B.C.
Princeton subject headings:
Broughton, T. Robert S. (Thomas Robert Shannon), 1900-1993.
Rome--History--Republic, 510-30 B.C.