Concone, Paolo Giuseppe 1801-1861.
Twenty-five singing lessons for the medium part of the voice (Aoprano, Mezzo-soprano or Tenor) with Pianoforte accompaniment (intended to follow the 50 lessons for medium voice) op. 10 / di Giuseppe Concone ; newly edited and revised by Luigi Vannuccini
. - London : G. Ricordi & C., [tra 1900 e 1930] . - 55 p. ; 32 cm