Martin y Soler, Vincente. (1754–1806) L'arbore di Diana. [Dramma giocoso in due atti.] (Excerpts in piano-vocal score)Seventeen excerpts from the opera, written to a libretto by Lorenzo da Ponte. Oblong folio. Engraved. "Racolta" number of each item (see contents, below) doubles as PN. 122 p.; each number with separate title page and pagination. Text and titles in Italian. Circular handstamp of "Alessandro Kraus [illegible], Firenze" to title of overture, first page of music and last page of music. Twentieth century boards, quarter cloth, with brown morocco label and