[Firenze], 1881 8pp.+ 1 plate out-of-text, signed with dedication by author to the well-known Belgian music historian G.A.Gevaert, 24cm., original softcover (loss of paper at ends), offprint from "Archivio per l'Antropologia e la Etnologia" di Firenze (vol.XI fasc.3), text in Italian, M83083