Columbia subject headings:
Harvard subject headings:
La Spezia (Italy)--History.
La Spezia (Italy)--Politics and government.
Lunigiana (Italy)--History.
Lunigiana (Italy)--Politics and government.
Princeton subject headings:
La Spezia (Italy : Province)--Politics and government.
Lunigiana (Italy)--Politics and government.
Working class--Italy--La Spezia (Province).
Working class--Italy--Lunigiana.