da Cunha Garcia, D.S. and Castrillon Mendes, L.C. 2017. From the restricted to unrrestricted. The Paraguay River recognition diary by Ricardo Franco de Almeida Serra in the Journal of the IHGB. Memoria Americana. Cuadernos de Etnohistoria. 25, 2 (Dec. 2017), 135-147. DOI:https://doi.org/10.34096/mace.v25i2.4033.