BALLA, János. The Economic Situation of the Piarist Order in the First Half of the 19th Century. Church History Review, Sárospatak, Magyarország, v. 26, n. 1, p. 37–62, 2025. DOI: 10.54231/ETSZEMLE.26.2025.1.3. Disponível em: https://egyhaztortenetiszemle.hu/ojs/index.php/e/article/view/30. Acesso em: 8 nov. 2025.