What can I find with OPAC?

OPAC has tabs with various search targets. You can search for the following on the respective tabs:

• "OPAC": Holdings of the Nichibunken Library
• "Univ.": Holdings of university libraries nationwide
• "NDL": Holdings of the National Diet Library
• "Cross-search": Search across university libraries nationwide, the National Diet Library, CiNii, etc.

Switch to and use the tab appropriate to the search target and materials.
For details, see the respective tab.