Here you can find the online appendix and the database related to this article: G. Alfani and M. Percoco, “Plague and long-term development: the lasting effects of the 1629-30 epidemic on the Italian cities”, Economic History Review, 72(4), 2019, pp. 1175– 1201, https://onlinelibrary.wiley.com/doi/abs/10.1111/ehr.12652