The web search should contain the data for one of the following elements of the catalog: author and co-author, title, place and year of publication or dedication of the given print. Information relating to bindings' provenience and additional comments for technical reasons is currently available at the Archdiocesean Archive in Gniezno. The catalog was created as part of the implementation of the grant entitled "The inventory of Cathedral Library resources in Gniezno" funded from the National Program for the Development of Humanities of the MNiSW (no.: 11H 12 01 79 81).