Got confirmed, by the Municipal Library Comendador Montenegro (@cmlousa), the incorporation of rare materials donated by me. Born in 1824 in Lousã, Portugal, Montenegro founded a colony based on paid work in Brazil, while 99% used enslaved workforce. By this, he was visited by the Emperor himself, D. Pedro.
Provenance: archive Carlos Waldemar Leite da Costa (1950-2022), son of Waldemar de Silva Costa, grandson of Sebastião Alves da Costa.