Gabinet Starych Druków, Biblioteka Uniwersytecka w Warszawie
References
Bull’s Head and Mermaid. The history of paper and watermarks from the Middle Ages to the Modern Period, ed. P. Rückert, S. Hodecek, E. Wenger, Stuttgart – Vienna 2009
New perspectives in book history. Contributions from the Low Countries, ed. Marieke van Delft, F. de Glas, J. Salman, Zutphen, Walburg Pers, 2006
Incunabula printed in the Low Countries. A census, ed. G. van Thienen, J. Goldfinsch, Nieawkoop, 1999
Collectors and collections, 1798–1998. Koninklijke Bibliotheek, ed. M. van Delft, Zwolle, 1998