• From the ILL reports, in all formats
• From an analysis of titles Not received from approval plans
• From a comparison of monograph holdings with a benchmark library: Which monographs published in the last xxx years and held by library xxx does NUL not have?
• From a comparison of holdings at local libraries
• From lists posted on ALA/ACRL section websites
• From prize-winner lists posted on Amazon
• From a comparison against the Guide to Reference Books (online)

Data & Methods Bank