9.B.1
Location:
Last in private collection of the Della Nina family, Chicago (a digital reproduction of the photocopy of the source is available at I-Lgp).
1 double-sided leaf, 2° with 12 staves, 23 bars.
No. 1 in Bernardoni 2017a , p. 98, including a transcription of the first 6 and a half bars of the source.