Kordel, Jacek. “Jolanta M. Marszalska, Waldemar Graczyk: The Lost Collection of Incunabula of the Seminary Library in Płock”. Zeitschrift für Ostmitteleuropa-Forschung, vol. 74, no. 2, June 2025, pp. 258-60, https://doi.org/10.25627/202574211669.