Bibliology (book science) and its practical applications in the works of Professor Barbara Bieńkowska (1934–2022)

Professor Barbara Bieńkowska (1934–2022), among others director of the Institute Library and Information Science at University Warsaw (1981–1987), president Polish Bibliological Society (1989–2003, since 2003 honorary PTB), member chairwoman scientific program councils many institutions editorial boards, left behind more than 170 articles books. Among them, there is no shortage publications fundamental importance to development bibliology, its achievements, theory methodology. This article focuses on B. Bieńkowska’s studies history books historical book collections, research losses libraries during World War II, as well registration documentation Polonia’s collections writing remaining outside Poland.