Spychała, Dariusz. “4th Scientific Conference: From the History of the Book and the Press. Overview of the Research for the Years 2015–2018. Bydgoszcz–Ostromecko, 23–24.04. 2018”. Toruńskie Studia Bibliologiczne, vol. 11, no. 1 (20), June 2018, pp. 193-00, doi:10.12775/TSB.2018.010.