Columbia subject headings:
Harvard subject headings:
Parma (Italy)--Politics and government--20th century.
Parma (Italy)--Social conditions--20th century.
Politics and culture--Italy--Parma.
Social movements--Italy--Parma--History--20th century.
Princeton subject headings:
Parma (Italy)--Politics and government--20th century.
Parma (Italy)--Social conditions--20th century.
Politics and culture--Italy--Parma.
Social movements--Italy--Parma--History--20th century.