The compiler has chosen subject terms used in the descriptions of collections so that varying entries for the same topic are found. There are not enough cross-references to help users find related collections. The indexes refers to libraries not only by volume and page number of the guide but also by federal state and information identifying the libraries. On that basis alone, these two directories look promising. Papyrus lists practical information and main areas of collection and has indexes to collection emphases, foreign-language collections, databases available, and an alphabetical listing.
Indexes list all the libraries by name, then by subject.
Papyrus is to be preferred except perhaps by libraries with an English-speaking clientele. Biblioteche Italiane e per le Informazione Bibliografiche. Regione Autonoma Valle d'Aosta, Assessorato della Pubblica Istruzione, Servicio Biblioteche. Biblioteche Italiane e per le Informazione Bibliografiche. The region of Valle d'Aosta has only 58 libraries, of which only three church-affiliated libraries have significant collections.