Sources
25. Sonata

25.B.1

1 leaf, 4° with 10 staves. The music is on the recto. 
On the verso is an organ piece in E minor, written in a different hand.

Formerly in private collection of the Della Nina family, Chicago.
No. 17 in Bernardoni 2017a, p. 105, also including a partial transcription of the first 8 bars of the source.

25.D.1

Copied source	Portion	Bibliographic reference	Page number
25.B.1		Guidotti 2017 Fabrizio Guidotti, "Le copie della collezione Dalla Nina (facsimili)." In Giacomo Puccini organista: Il contesto e le musiche, edited by Fabrizio Guidotti, 119-153. Florence: Leo S. Olschki Editore, 2017.	pp. 148-149.

25.E.1

First and critical editions:
Composizioni per organo: Sonate, versetti, marce, a cura di Virgilio Bernardoni.
Edizione Nazionale delle Opere di Giacomo Puccini, series Opere musicali, vol. II/2.1.
Carus Verlag, Stuttgart, 2018.
PN CV 56.003, p. 33.

Critical edition based on 25.B.1.