Columbia subject headings:
Italy--History--1815-1870--Sources.
Italy--History--1870-1914--Sources.
Scientists--Italy--Correspondence.
Sella, Quintino, 1827-1884.
Statesmen--Italy--Correspondence.
Harvard subject headings:
Italy--History--1815-1870--Sources.
Italy--History--1870-1914--Sources.
Scientists--Italy--Correspondence.
Sella, Quintino, 1827-1884.
Statesmen--Italy--Correspondence.
Princeton subject headings:
Italy--History--1815-1870--Sources.
Italy--History--1870-1914--Sources.
Scientists--Italy--Correspondence.
Sella, Quintino, 1827-1884.
Statesmen--Italy--Correspondence.