Biblioteca Nacional Mariano Moreno
The "Mariano Moreno" National Library (Spanish: Biblioteca Nacional "Mariano Moreno") is the largest library in Argentina. It is located in the barrio of Recoleta in Buenos Aires. The library is named after Mariano Moreno, one of the ideologists of the May Revolution[2] and its first director.

The National Library is an agency under the Ministry of Culture of Argentina.
https://www.bn.gov.ar
Biblioteca Nacional de la República Argentina
A library, museum, or archival institute
Argentina
Juan Sasturain
dncb@bn.gob.ar
https://www.bn.gov.ar/biblioteca/acerca