Date based on a note in Britten's diary from 3 Jan 1931 which mentioned vocal parts being copied out for a musical evening that day for 'Song', and the parts for this piece are on the same manuscript sources.
Carbon copy of the alto part, with signature.
1 page of 3 page manuscript [2r-2v]
23.7 x 31 cm. Shares a volume with other sources. See Related Records. Paper manufacturer = The B.F.Wood Music Co.
Archive
https://www.bpacatalogue.org/archive/BBM-i_saw_three_witches-1-9
