Basic Concept

The Metropolitan Library uses this website to provide information and materials promptly in line with its information needs on the Internet so that customers can receive various information services without having to directly visit the Library. We also strive to create a website that is easy for anyone to use and understand, and otherwise create a text version of the website to make it barrier-free.

Accessibility Policy

Click here for more information on the Accessibility Policy.

Multilingual Support

This website has English, Chinese, and Korean pages to provide information on the Metropolitan Library to non-Japanese speakers and to help them understand our efforts. Multilingual websites can be displayed by clicking "Language" located at the top right of the page.
We will continue to respond to the trend toward multilingualism so that more people will be able to use this website.

Privacy Policy

For the terms and conditions of the Privacy Policy, Access Analysis Tool, and Social Networking Service (SNS), please refer to "Protection of Personal Information."

Rights

Copyright (when not using the Creative Commons License)

• Copyrights to documents, images, etc., on this website, in principle, belong to the Metropolitan Library. However, copyrights for some images are owned by the original author.
• Documents, images, etc., on this website may not be reproduced or reused without permission, except in cases permitted under the Copyright Act, such as "reproduction for private use" or "quotation."
• As an exception to the above, the Library grants permission to provide hard copies of pages at the request of its users without notice to the website administrator unless the purpose is for commercial use.

Link

Links to the following websites operated by the Metropolitan Library are, in principle, free. No advance notice is required, but if you have set up a link, please inform S0200333@section.metro.tokyo.jp of the URL for the link source.

• Tokyo Metropolitan Library Website
• Tokyo Metropolitan Library Integrated Search
• Tokyo Metropolitan Library Digital Archive
• Special Library Guide

• Please note that you may be asked to delete your link if it does not comply with the purpose of this website or if it may harm the credibility of the Metropolitan Library.
• When setting up a link, please make sure that it is clear that the link is to the official website of the Metropolitan Library.
• Please note that the content and addresses of documents, images, etc., on this website are subject to change or discontinuation without notice.

Icons

The following icons are used uniformly on this website.

• External link icon: Indicates that the link is not to this website.
• PDF icon: Indicates that the file is a PDF file.
• Word icon: Indicates that the file is a Word file.
• Excel icon: Indicates that the file is an Excel file.
• PPT icon: Indicates that the file is a PowerPoint file.

Technical matters

Recommended environment

The following OS and browsers are recommended for a more secure and enjoyable experience using this website:

PC

• Microsoft Edge latest version
• Google Chrome latest version
• Mozilla Firefox latest version

Smartphone

• Android 4.0 or later
• iPhone iOS8 or later

Feature phone

HTTPS access from feature phones may not be available on the Metropolitan Library website. Please designate the following URL to access.

https://www.library.metro.tokyo.lg.jp/feature_phone/

Technology used

（1）Cookie

This website utilizes cookies for the purpose of achieving a more convenient viewing experience and continuously improving this website.
A cookie is data sent to a user's browser from the server that handles the administration of this website. The cookie sent is saved in the user's device (computer or mobile device, etc.).
However, information such as the user's name, address, phone number, and other information that identifies the user are not included in this cookie.
Additionally, these cookies have no direct negative effect on the user's device.
This website uses third-party cookies to assess the access information of each page on this website.
It is possible for the user to decline cookies through the use of appropriate browser settings.
Disabling cookies in this way will not hinder the use of this website in any major way. Refer to your browser manufacturer for information on these browser settings.

（2）JavaScript

Portions of this website use JavaScript to provide a more comfortable user experience.
Failure to activate JavaScript in your browser may result in an inability to properly view or use this website.

(3) SSL (TLS)

• This website uses TLS encryption on a portion of its services to improve its security level.
• To use the relevant services, a browser that supports TLS 1.2 encryption is required.
• By using a web browser that supports security functions, personal information such as the name, address, or telephone number entered by users is automatically encrypted before being sent or received.
• Even if a third party intercepts the transmitted data, there is no concern that the content will be stolen.
• Depending on the settings, such as a firewall, the relevant page may not be available.

（4）PDF

Adobe Reader from Adobe Inc. is required to view files in the PDF file format.
Download the latest version of Adobe Reader if it is not installed on your system or the contents of this website are displayed incorrectly.

• To view and print PDFs

(5) Microsoft Excel and Word

Microsoft Corporation's Excel and Word are required to view Excel and Word format files.

（6）Facebook

For an explanation of the Terms of Service, please see the Facebook Account Policy.

• Facebook Account Policy

（7）RSS

This website distributes new arrival information and event information using RSS.
By registering the link destination below to a browser or RSS reader that supports RSS, you can receive the latest information automatically.

• Click here to view.

Information Security Policy

The Metropolitan Library will respond as follows in order to protect the information assets of this website from threats.

1. As a means of maintaining the safety and accuracy of this site's information assets, appropriate safety measures have been taken to prevent improper data access, and the destruction, alteration, loss, or leak of this data.
2. The information assets on this website are handled in strict accordance with the Tokyo Metropolitan Board of Education's basic policy on information security, laws, and other standards.
3. Should the processing of information assets be entrusted to an external party, this processing work will take place under the appropriate supervision.
4. Mechanisms will be established for the continued maintenance and improvement of this information security policy.

Terms of Service

Please note that the content and URL of this website may be changed or deleted without notice.

Disclaimer

There is no guarantee of the completeness or accuracy of any information provided on this website.
The information posted may be changed without notice. The administrators and owners of this website accept absolutely no responsibility for any damage that may occur directly or indirectly due to the use of the information or content on this website.

Prohibitions

The following activities are prohibited in the use of this website:

• Any activity that hinders or creates obstructions to the operation of this website
• Any activity that causes or may cause inconvenience, loss, or violations of privacy to the Metropolitan Library, the users of this website, or other third parties
• Any activity that violates or may violate public order or morality
• Any activity that violates a law, regulation, or ordinance
• Any other activity deemed inappropriate by the Metropolitan Library

Applicable laws and court of jurisdiction

The use of this website and the interpretation and application of the use regulations described herein shall adhere to the law of Japan unless otherwise specified.
All disputes arising in connection with the use of this website shall be subject in the first instance to the exclusive jurisdiction of the Tokyo District Court.

Cookie Policy

Use of cookies and similar technologies

This website collects information by using cookies and other similar technologies to improve the usability and content of the website.
The Cookie Policy explains how they are used.

Cookies and similar technologies

A cookie is data that is sent from a website as a tag to identify the relevant device when the user has accessed a website using that device, and is stored in the device.
By using cookies, we can gain information on the number of times the website has been accessed through the device and other websites the customer has visited in the past.
The functions of cookies and other similar technologies can be invalidated by setting the user's browser appropriately, as explained below.

Purpose of use of cookies and similar technologies

(1) Grasping the status of use and examining ways to improve convenience

This website may collect, analyze, and use information on the status of use of this website by users through using cookies and similar technologies to improve convenience and improve this website.
For this purpose, this website mainly uses the following tools:

Google Analytics tool provider: Google Inc.

• Google Analytics terms of service (external link)
• Google privacy policy (external link)
• Google Analytics uses cookies issued by the corporation to analyze the status of use of this website by customers (access status, traffic, routing, etc.).
  The Metropolitan Library receives the results of that analysis from Google Inc. to understand the status of use of your device. For details, please refer to the following URL.
  https://policies.google.com/technologies/partner-sites?hl=ja(External link)
• Information on Google Analytics is also available at the following site:
  https://support.google.com/analytics/answer/6004245(External link)

How to delete or invalidate cookies and similar technologies

(1) How to delete all cookies

The cookies saved in the user's device are kept stored there unless the user intentionally deletes them or until they expire.
Most browsers in widespread use activate cookies by default, but it is possible for users to delete cookies on their browser.
Please refer to the following links on how to delete cookies in each browser.

• Google Chrome (external link)
• Microsoft Edge (external link)
• Mozilla Firefox (external link)
• Apple Safari (external link)

(2) How to invalidate/validate cookies

For the following cookies, you can invalidate or validate them with the following button.

• Google Analytics: The use status analysis tool on the customer's website

Adobe Acrobat is a trademark of Adobe Systems Incorporated (Adobe Inc.).
Note: In addition, company names, products, etc., listed are generally trademarks or registered trademarks of their respective companies.