With this study we can know about the books of the choir of the canonical church of Cardona, on the basis of a survey made in 1507 about the furniture of the sacristy, as well as the evolution of some manuscripts until the suppression of the Cardona cornmunity in 1851. This study, also deals with some books given as a donnation to the library and sacristy by the members of the Cardona viscount and count family