H. Fokciński, “Establishing of Bishops in Poland in the first half of the 15th century: remarks in the margin of T. Graff’s publication: [The Episcopate of the Jagiellonian Monarchy in the era of the ecumenical councils of the 15th century, Krakow 2008]”, NP, vol. 119, pp. 371–380, Jun. 2013.