Who translated into Italian the opera mentioned in the final story of a 1914 collection? 
Mignon: Mignon is an "opéra comique" (or opera in its second version) in three acts by Ambroise Thomas. Mignon:  The Italian version was translated by Giuseppe Zaffira. Mignon:  The opera is mentioned in James Joyce's "The Dead" ("Dubliners") and Willa Cather's "The Professor's House".
i don't know