Makarczyk, I. “A List of Persons That Were Awarded a Doctoral Degree in the Discipline of History at the Faculty of Humanities of the University of Warmia and Mazury in Olsztyn in the Years 2001/2019”. Echa Przeszłości, no. XX/2, Aug. 2020, https://czasopisma.uwm.edu.pl/index.php/ep/article/view/5776.