2021-5-10 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 1987 in Tokyo Main Library

From June 21, 2021 to January 4, 2023

These materials will be unavailable in sequence.

During this period, search results for these books 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.