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Gaetano Donizetti Imelda de' Lambertazzi titlepage of the libretto Naples . en Gaetano Donizetti Imelda de' Lambertazzi titlepage of the libretto Naples digitalesammlungen de html Gaetano Donizetti Andrea Leone Tottola other versions PDold Imelda de' Lambertazzi Libretti of operas by Donizetti opera libretti