Sources
9. Sonata [G Major, 4/4, paraphrase on “Questa o quella” (Rigoletto)]

9.B.1

1 leaf, 4° with 12 staves, 23 bars. At the upper margin of the recto, written in a different hand, are the annotations 'P' and 'X'."

 

Formerly in private collection of the Della Nina family, Chicago.
No. 1 in Bernardoni 2017a , p. 98, including a transcription of the first 6 and a half bars of the source.

9.D.1

Copied source	Portion	Bibliographic reference	Page number
9.B.1	p. 1	Catalogue of Sotheby's auction of 17/18 November 1988	p. 174.

9.E.1

First and critical edition:
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 56.003, pp. 2-3.

Based on 9.B.1.