Bethell, Leslie. “William Swainson : A British Naturalist in Brazil (1817-1818)”. Revista Do Instituto Histórico E Geográfico Brasileiro, vol. 182, no. 487, Feb. 2024, pp. 103-20, https://doi.org/10.23927/issn.2526-1347.RIHGB.2021(487):103-120.