Columbia subject headings:
Harvard subject headings:
Euboea Island (Greece)--History--Sources.
Genoa (Italy)--History--Sources.
Lunigiana (Italy)--History--Sources.
Volterra (Italy)--History--Sources.
Princeton subject headings:
Euboea Island (Greece)--History--Sources.
Genoa (Italy)--History--Sources.
Lunigiana (Italy)--History--Sources.
Volterra (Italy)--History--Sources.