Popiołek, B. (2020). “There are very few notifications at our court.” Fr. Tomasz Perkowicz SJ (1652–1720) as the correspondent of Anna Franciszka Zamoyska, the Crown Treasurer. A study on the history of the circulation of information in the Saxon times. AUPC Studia Ad Bibliothecarum Scientiam Pertinentia, 18, 14–31. https://doi.org/10.24917/20811861.18.2