In “Italienisches Liederbuch” with Barbara Bonney on Teldec, Track 45’s title has a misspelling. It should be “Verschling’ Der Abgrund.” See https://www.discogs.com/Barbara-Bonney-Håkan-Hagegård-Geoffrey-Parsons-Wolf-Italienisches-Liederbuch-Italian-Songbook/release/8416495 for corroboration.