See COVE Master Map entry on Buenos Aires:
https://editions.covecollective.org/place/buenos-aires
In London Labour and the London Poor edition:
Phase 1
The Crippled Street-seller of Nutmeg-graters. (Volume 1) (as Buonos Ayres): "I never knew my father. He went over to Buonos Ayres, and kept an hotel there—I've heard mother say as much."
Vetted?
No