Home > Help > Bibliographic data > Use of bibliographic data & API

Help : Use of bibliographic data & API

Frequently asked questions

To the head of this page

Q
What kind of bibliographic data is available online?
A
Please see "How to Get Bibliographic Data > Bibliographic Data Services".

To the head of this page

Q
Is bibliographic data available for purchase?
A
NDL bibliographic data is available free of charge from various web services. Please see "How to Get Bibliographic Data".

To the head of this page

Q
Do I need to submit an application to use NDL bibliographic data?
A
No application is required regardless of purpose or number of titles. Please see "Using Bibliographic Data" for further details.
Please see "APIのご利用について (Using the API)" (in Japanese) for details on using the NDL Search API.

To the head of this page

Q
What should I do to use an API (externally-provided interface) ?
A
For API provided by the National Diet Library, please see the page "List of API".

To the head of this page

Q
Are there any statistics on bibliographic data?
A
Please refer to "統計からみた書誌データ(Statistics of bibliographic data)" (in Japanese).

To the head of this page

Q
What is the Japanese National Bibliography?
A
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. The National Diet Library makes Japanese National Bibliography records available from a number of sources to promote new publications promptly and widely. Please see "The Japanese National Bibliography (JNB)" for further details.

To the head of this page