Autograph manuscript of the “Ave Maria” for chorus, from the Quattro pezzi sacri, here titled by the composer “Scala enigmatica armonizzata a quattro voci”
Remarkable autograph manuscript containing notes and draft letters about the Quattro pezzi sacri, illustrated with music and drawings, addressed to Paul Taffenel and Tito Ricordi, a working manuscript written in French and Italian, with many alterations and deletions
Bound series of photographs of Verdi's autograph manuscript of the 'Sinfonia' for Aida, composed for the Italian premiere but then withdrawn, annotated by Toscanini