Gąsiorowski, Andrzej, and Alicja Kicowska. 2000. “Research in the Field of History of Education in the Warmińsko-Mazurski University in Olsztyn”. Biuletyn Historii Wychowania, no. 11/12 (January):61-62. https://doi.org/10.14746/bhw.2000.11.12.9.