Gancarczyk, Paweł. „Petrus Wilhelmi De Grudencz (b. 1392) - a Central European Composer / Petrus Wilhwlmi De Grudencz (roj. 1392) - Srednjeevropski Skladatelj“. De musica disserenda 2, no. 1 (junij 9, 2015): 103–112. Pridobljeno november 21, 2024. https://ojs.zrc-sazu.si/dmd/article/view/2011.