Catalogued in RISM as “Babylons Pyramiden (Excerpts); Manuscript copy; CH-W Dep.MK 710” by Anonymus. RISM 400015041
Same musicTitle already names the work
'Cremona holdes Mädchen' and the sextet 'Dies sind Timoneus' Töne' match, with the same words, incipits 1.1.2 and 1.1.1 of other Babylons Pyramiden excerpts, which that copy (RISM 1001087919) places in Act 2. The anonymous record says Act 1 is by Mederitsch and Act 2 by Winter.
Catalogue flags:
Attributed copies compared (2 of 2 encoded incipits match):
1.1.1 Aria Andante · T · “Cremona holdes Mädchen” · 10 of 10 pitches agree
=7/4-8-,8G'CCEC/,BB'DEFFFG/2E-/=7/4-8-,G'CCEC/,BB'DEFFFG/2E-/also RISM 400057094 1.1.1 Scena Andante
1.2.1 Sextet Allegro · S · “Dies sind Timoneus' Töne” · 9 of 9 pitches agree
=1/2-4-''C/D8DD4F'A/{8AG}4G2-/=/4BB-{''8ED}/2C4-=/2-4-''C/D8DD4F'A/{8AG}4G2-/=/4BB-{''8ED}/2C4-C/Catalogue data and incipits come from RISM (Répertoire International des Sources Musicales), CC BY 4.0. Incipits are rendered with Verovio. Source and data: https://github.com/aaymeloglu/rism-attributions.