We have the pleasure to present the work of Zdzisław Kropidłowski, the Head of the Department of Scientific Information and Bibliological Studies of the Universily of Kazimierz Wielki in Bydgoszcz. His research is mainly concerned wilh the 1th', 17th and 18lh centuries. Initially, he was involved in the history of Christian charity and social care, mainly in Gdańsk. Expanding the subject of research in chro[...]