Columbia subject headings:
Florence (Italy)--History--1860-1945--Sources.
Italy--History--1849-1870--Sources.
Italy--History--1870-1914--Sources.
Tuscany (Italy)--History--Sources.
Harvard subject headings:
Florence (Italy)--History--1860-1945--Sources.
Italy--History--1849-1870--Sources.
Italy--History--1870-1914--Sources.
Tuscany (Italy)--History--Sources.
Princeton subject headings:
Florence (Italy)--History--1860-1945--Sources.
Italy--History--1849-1870--Sources.
Italy--History--1870-1914--Sources.
Tuscany (Italy)--History--Sources.