2022-3-8 Some materials will be unavailable while undergoing digitization

Part of our collection will be unavailable while undergoing digitization.

Unavailable materials and period

Some Japanese books cataloged from 1969 to 1995 in Tokyo Main Library : From April 11, 2022 to May 31, 2023 　

These materials will be unavailable in sequence.

During this period, search results for these materials in the NDL Online will show the designation "Under revision."

For details, please refer to the "List of unavailable materials (Japanese)."

We apologize for any inconvenience caused by this operation.