Hi there, We are planning to add a new feature with a new System preference (BiblioAddsAuthorities). When set to One, in addbiblio.pl when saving a new biblio, or modifying one, For each used field linked to an authority, unless there is already a $3 or a $9, we search authorities for a similar one (same subfields). If found, we add a $9 to the first authority number (supposed to be stored in 001 field) (or maybe we should display all results to select the authority to link to ?) Else, we create a new authority of the type linked to current biblio field, so that heading contains all subfields of the current biblio field We add a $9 to that biblio field which points to authid. End End Comments and remarks welcome. -- Henri-Damien LAURENT