Columbia subject headings:
Harvard subject headings:
Barbieri, Orazio--Archives--Catalogs.
Barbieri, Orazio--Archives.
Barbieri, Orazio--Library--Catalogs.
Communism--Italy--Tuscany--History--Sources.
Istituto storico della resistenza in Toscana--Archives--Catalogs.
Istituto storico della resistenza in Toscana--Archives.
World War, 1939-1945--Underground movements--Italy--Tuscany--Sources.
Princeton subject headings:
Barbieri, Orazio--Archives.
Istituto storico della Resistenza in Toscana--Archives--Catalogs.
World War, 1939-1945--Underground movements--Italy--Tuscany--Sources--Bibliography--Catalogs.