How to Get Bibliographic Data

• 国立国会図書館の書誌データ (Bibliographic data of the National Diet Library) (PDF: 1.57MB) (in Japanese)
• How to make good use of the bibliographic data of the NDL: Overview and how to use (remote training program with videos in Japanese)

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
• Japanese National Bibliography and JAPAN/MARC
• How to Get Authority Data
• Systems compliant with NDL bibliographic data
• Standards for bibliographic data
• International Cooperation
• Contact Us

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

• 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 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.

• You can search and download authority data of the National Diet Library.
• For details about this service, please refer to How to Get Authority Data > Services > Web NDL Authorities.

• "JAPAN/MARCデータ (毎週更新) (JAPAN/MARC Weekly Update)" (in Japanese) provides newly cataloged, corrected, or deleted JAPAN/MARC records weekly. For details of JAPAN/MARC, please see "The Japanese National Bibliography (JNB) > JAPAN/MARC".

• "全国書誌 (電子書籍・電子雑誌編) TSVファイル一覧 (JNB records of e-books and e-periodicals in TSV format)" (in Japanese) provides bibliographic data for e-books and e-periodicals acquired during the past three months. Records are updated every week on Tuesdays.
• For more information, please see "The Japanese National Bibliography (JNB) > JNB records of e-books and e-periodicals in TSV format".

• "雑誌記事索引データ (Japanese Periodicals Index Data)" (in Japanese) provides newly cataloged, corrected, or deleted Japanese Periodicals Index data weekly. For details of the Japanese Periodicals Index, please see "The Japanese Periodicals Index".

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)

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.

• 国立国会図書館書誌データ対応システム一覧 (A list of library systems (and their vendors) compliant with bibliographic data provided by the National Diet Library) (in Japanese)

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).

• 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".

Please check "Frequently Asked Questions" before contacting us.

Acquisitions Administration and Bibliographic Control Division
Acquisitions and Bibliography Department
National Diet Library
E-mail: bib-dl