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How to Get Bibliographic Data

The National Diet Library has made its bibliographic data, authority data and Japanese Periodicals Index data available online via a number of services.
Please refer to our "Site Policy" and "Using Bibliographic Data" for restrictions on the use of NDL bibliographic data.

Bibliographic Data Services

NDL bibliographic data, authority data and Japanese Periodicals Index data are available online via the following web services.

NDL Search

NDL Search

  • The NDL Search permits integrated searching of the catalogs and digital archives of libraries, archives, museums, academic institutes, and the National Diet Library.
  • NDL bibliographic data and Japanese Periodicals Index data are available. For more information, please see "The Japanese National Bibliography (JNB) > JNB Services via NDL Search" (Data other than Japanese National Bibliography data is also available in the same way, except for RSS Delivery).
  • The interface is available in Japanese, English, Chinese and Korean.

NDL Online

NDL Online

  • NDL Online is a fast and easy way to search and request library materials and digital contents at the NDL.
  • NDL bibliographic data and Japanese Periodicals Index data are available for download in either TSV format or BibTex format. For more information, please see "The Japanese National Bibliography (JNB)".
  • The interface is available in Japanese and English.

Web NDL Authorities

Web NDL Authorities

NDL-Bib

JAPAN/MARCデータ (毎週更新) (JAPAN/MARC Weekly Update)

全国書誌 (電子書籍・電子雑誌編) TSVファイル一覧 (Japanese National Bibliography records of e-books and e-periodicals: list of TSV files)

雑誌記事索引データ (Japanese Periodicals Index Data)

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Japanese National Bibliography and JAPAN/MARC

The Japanese National Bibliography comprises standard bibliographic data for Japanese publications acquired via the legal deposit system as well as Japanese publications and foreign publications in Japanese acquired through donation, purchase, or other means.
JAPAN/MARC is a machine-readable version of Japanese National Bibliography and name authority data. For details, please see "The Japanese National Bibliography (JNB) > JAPAN/MARC".

For more information on how to use Japanese National Bibliography data, please see the following.
The Japanese National Bibliography" (JNB)
書誌データ利用のためのクイックガイド (Quick Guide to NDL Bibliographic Data) (in Japanese)

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How to Get Authority Data

Authority data organizes author's names and keywords that help users to search for materials.

For more information on how to use authority data of the National Diet Library, please see How to Get Authority Data.

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Systems compliant with NDL bibliographic data

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Standards for bibliographic data

The NDL establishes standards for bibliographic data according to the features of the material and the purpose of use, to promptly create and provide accurate data on its vast collections.
Standards for bibliographic data define how completely and with what degree of verification catalog records are produced in NDL Collections. For further information, please see "書誌データ水準 (Standards for bibliographic data)" (in Japanese).

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International Cooperation

  • WorldCat
    The NDL collaborates with the OCLC (Online Computer Library Center, Inc.), to make JAPAN/MARC records and Japanese Periodical Index data available via WorldCat, a bibliographic database operated and maintained by the OCLC.
  • Virtual International Authority File (VIAF)
    The NDL has been a member of the Virtual International Authority File (VIAF) since October 1, 2012 and provides authority data for personal names, corporate names, family names, uniform titles, works and place names to the VIAF database. Web NDL Authorities exchanges links with VIAF.

For other activities, please see "International Cooperation in Bibliographic Services".

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Contact Us

Please check "Frequently Asked Questions" before contacting us.

Acquisitions Administration and Bibliographic Control Division
Acquisitions and Bibliography Department
National Diet Library
E-mail: bib-dlat n d l dot g o dot j p

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