WOJDA, Leszek. On The Earlier Foundations of St. John’s Church In Włocławek. Acta Universitatis Lodziensis. Folia Archaeologica, [S. l.], n. 3, p. 133–145, 1983. DOI: 10.18778/0208-6034.03.05. Disponível em: https://czasopisma.uni.lodz.pl/archaeo/article/view/16097. Acesso em: 6 jul. 2024.