NDL Search Jump to main contentOpen Menu Search Refiners Library National Diet Library Other Libraries in Japan Available online Title Author/Editor Publisher Year yr 〜 yr ISBN / ISSN Call number Material type Link to Help Page Books Periodicals Newspapers Japanese and Chinese Old Materials Doctoral Dissertations Maps Musical Scores Web sites Online Publications Electronic Resources Video Materials Audio Materials Standards and Technical Reports Manuscripts and Images Deselect all Periodical article etc Material Format Link to Help Page Digital Paper Microform Recording Media Deselect all Refiners About NDL Search Detailed Search A number of search parameters are available. You can use several of them to perform highly accurate searches. Research Navi Introduces information useful for research, such as points of research, reference materials and websites. E-Journals & Databases Information of e-journals and various databases that are available on the National Diet Library premises. News About Service About Database June 17th, 2026Important: Login Method for NDL Search and Related Services Changed on June 17, 2026 May 1st, 2026User satisfaction survey of FY2026 March 17th, 2026Important: Login Method for the NDL Search and Related Services to Change on June 17, 2026 March 12th, 2026Temporary closure of the Tokyo Main Library, the Kansai-kan and the International Library of Children's Literature in May October 31st, 2025Please register and update your email address for the change in login method. List of all news January 5th, 2024Information regarding NDL Search API changes List of all news 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. How to use NDL Search Detailed explanation of features About online User Registration Explanation of how to register and available services Browse digital material How to find materials that can be viewed on the Internet Searchable Materials Materials held by the National Diet Library Searches will be performed on materials held by and digital materials available at the National Diet Library. Searchable Materials Materials held by the National Diet Library (printed matter, recording media, microforms, etc.) Digital materials at the National Diet Library, including those that can only be accessed at the library E-journals, etc. subscribed to by the National Diet Library Collections of libraries nationwide 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 that can be accessed via the Internet The National Diet Library and other libraries have digital materials that can be read on the Internet. Searchable Materials Digital materials at the National Diet Library that can be accessed via the Internet, including materials that require user registration Digital materials that can be accessed via the Internet from libraries in Japan with which the NDL has data linkage Articles from J-STAGE, IRDB, and CiNii Research that can be accessed via the Internet Access materials you want to read via 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.) What are materials available online? Materials that are available to official registered users Request a copy of the material National Diet Library :As for some of the materials with this tag, you can order photocopy without visiting the National Diet Library (remote photoduplication, fee required). To use this service, you need to become a Registered User of the National Diet Library. What is remote photoduplication (courier or postal mail / PDF)? Scope of remote photoduplication Other Libraries in Japan :If you would like to use materials with this tag, please contact your local library. Materials that can be searched by NDL Search 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. To use materials from the National Diet Library, please visit Other Libraries in Japan :If you would like to use materials with this tag, please contact your local library Materials that can be searched by NDL Search 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 for and browse digitized materials that have been acquired and preserved by the National Diet Library. You can search for and browse materials with expired copyright protection or which are difficult to obtain for reasons such as being out of print, etc., from your personal devices. 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. 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