About NDL Search
NDL Search allows you to search for materials and digital materials held by the National Diet Library,
You can request for browsing or copying, and use a variety of other services.
You can also search for materials held by libraries in Japan with which has data linked.
Materials held by the National Diet Library
Searches will be performed on materials held by and digital materials available at the National Diet Library.
- Materials held by the National Diet Library (paper, recorded media, microforms, etc.)
- Digital materials of the National Diet Library (including those whose access is limited within the library)
- E-journals, etc. subscribed to by the National Diet Library
Collections of Other Libraries in Japan
You can search for materials and digital materials held by libraries across the country that have data links.
Libraries that can be searched
- Prefectural libraries and government-designated city libraries (including digital archives)
- Special libraries (including digital archives)
- Academic information institutions (including digital archives)
- Publication information on paper books and e-books
For more information, please see List of Affiliated Databases for details.
Materials available online
The National Diet Library and other libraries have digital materials that can be read on the Internet.
- Digital materials available at the National Diet Library that can be viewed on the Internet (including materials that require user registration)
- Digital materials available on the Internet from libraries in Japan with which the Library has data linkage
- Articles from J-STAGE, IRDB, and CiNii Research that can be accessed via the Internet
Access the materials you want to read by the most appropriate means
Reading materials on the Internet
Available online :This tag is applied to digital materials that are available online (User registration may be required.)
Request a copy of the material
National Diet Library :This tag is applied to some materials that can be ordered copy by mail (remote photoduplication service, fee required). To use this service, you need to become a Registered User of the National Diet Library.
Other Libraries in Japan :If you would like to use materials with this tag, please contact your local library.
Read materials at the library
National Diet Library :This tag is applied to some materials that may be browsed in person by visiting the National Diet Library.
Other Libraries in Japan :If you would like to use materials with this tag, please contact your local library
List of Online Services
Mina Search was designed specifically to help those who are blind, visually impaired, dyslexic, or otherwise print disabled to search for and download reading materials in braille, DAISY, or other accessible format. Full-text data of digitized materials is also available.
This service allows users to search and browse digitized materials collected and preserved by the National Diet Library. You can search and browse materials whose copyright protection period has expired or which are difficult to obtain for reasons such as being out of print, etc., from your home environment.
This site allows you to search and browse websites in Japan that have been collected since 2002. The role of the Web Archiving Project (WARP) is to collect, preserve, and pass on to the future information on websites that are easily lost.
Search the National Diet Library's collection (tangible materials) for materials published in Japan and Japanese materials published abroad, and download bibliographic data in MARC, TSV, and other formats.