2023-3-1 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 held in Tokyo main Library: from April 3, 2023 to March 31, 2024

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 デジタル化のため"

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

We apologize for any inconvenience caused by this operation.