Caffarena Barcenilla, P., and M. González Moya. “Smallpox Vaccine Beyond the Capital. Implementation, Implementers and Challenges of a Public Policy, 1820-1840”. Historia 396, vol. 13, no. 1, July 2023, pp. 157-84, doi:10.4151/07197969-Vol.13-Iss.1-Art.764.