2025-7-28 Some materials will be unavailable while undergoing digitization

Part of our collection will be unavailable while undergoing digitization.

Unavailable materials and period

Some newspapers held in Tokyo Main Library： from August 12, 2025 to March 19, 2026
Some Rare Books and Old Materials held in Tokyo Main Library： from August 29, 2025 to March 31, 2026

These materials will be unavailable in sequence.

During this period, search results for these materials in the NDL SEARCH will show the designation "Work in progress".

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

We apologize for any inconvenience caused by this operation.