2022. Partial annual letter of the reduction of Our Lady of the Incarnation of Itapúa of 1621 from Fr. Diego de Boroa to the provincial Fr. Pedro de Oñate. Antiguos jesuitas en Iberoamérica. 10, (Sep. 2022). DOI:https://doi.org/10.31057/2314.3908.v10.38736.