Columbia subject headings:
Bresci, Gaetano--Fiction.
Umberto I, King of Italy, 1844-1900--Assassination--Fiction.
Harvard subject headings:
Bresci, Gaetano--Fiction.
Umberto I, King of Italy, 1844-1900--Assassination--Fiction.
Princeton subject headings:
Bresci, Gaetano, 1869-1901--Fiction.
Fiction.