Columbia subject headings:
Davidsohn, Robert, 1853-1937.
Historians--Germany--Biography.
Italy--Historiography.
Harvard subject headings:
Davidsohn, Robert, 1853-1937
Davidsohn, Robert, 1853-1937--Bibliography.
Historians--Italy--Florence--Biography.
Jews, German--Italy--Florence--Biography.
Journalists--Italy--Florence--Biography.
Princeton subject headings:
Davidsohn, Robert, 1853-1937--Biography.
Historians--Germany--Biography.
Italy--Historiography.