Columbia subject headings:
Mayors--Italy--Rome--Biography.
Nathan, Ernesto, 1845-1921--Correspondence.
Nathan, Ernesto, 1845-1921.
Rome (Italy)--Politics and government--1870-1945.
Harvard subject headings:
Mayors--Italy--Rome--Biography.
Nathan, Ernesto, 1845-1921.
Rome (Italy)--Politics and government--1870-1945.
Princeton subject headings:
Mayors--Italy--Rome--Biography.
Nathan, Ernesto, 1845-1921.
Rome (Italy)--Politics and government--1870-1945.