The Italian National Bibliography is made up of six series:
Each series has its own periodicity and the way of distribution is:
- Monographs
- Printed music
- Periodicals
- Children's books
- School textbooks
- Doctoral theses
BNI demo
- Printed issues (their recurrence depends on the series)
- DVD (updated every two months)
- Cumulative database, accessible on-line under subscription, or via the local BNCF workstations.
Distribution and membership: 
BNI series
Monographs Printed music Serials
Children's books School textbooks Doctoral Theses
