Janicka , Anna. “‘Protection of the Historical and Cultural Heritage of Eliza Orzeszkowa and Ludwik Zamenhof’ Programme: Academic Panel and Conference 2021. Report”. Bibliotekarz Podlaski 54, no. 1 (July 15, 2022): 379–386. Accessed April 25, 2024. https://bibliotekarzpodlaski.pl/index.php/bp/article/view/686.