ROBAK, Piotr. The Project of William Penn’s European Order of 1693. Acta Universitatis Lodziensis. Folia Historica, [S. l.], n. 53, p. 5–23, 1995. DOI: 10.18778/0208-6050.53.02. Disponível em: https://czasopisma.uni.lodz.pl/historica/article/view/22714. Acesso em: 5 jul. 2024.