Skip to menu

About this site

HOME > About this site


Those opened to the public in fiscal 2006 (Titles of persons are those used in that year)

Takashi Sasaki, Professor of University of the Sacred Heart Tokyo and an Affiliate Researcher of the National Diet Library, is the Editor in Charge of this project. In addition,Dr. George Akita, Emeritus Professor of the University of Hawaii at Manoa cooperated with us to look over and correct the English version.

We would like to express our appreciation and recognition for his cooperation.

Addition in fiscal 2010 (Chapter 6)

Yoshiya Suetake, professor of Soka University, and an Affiliate Researcher of the National Diet Library, took charge of supervising this additional chapter.

Explanation of Documents

The explanation of documents were produced by the Modern Japanese Political Documents Division of the References and Special Collections Department.

Columns (from Column 1 to Column 7), and "What Are Historical Materials?" were supervised by Takashi Sasaki, who was an Affiliate Researcher of the National Diet Library at that time. Columns (Column 8 and Column 9) were supervised by Yoshiya Suetake, an Affiliate Researcher of the National Diet Library. "How to Use Historical Records" was supervised by Toshiaki Imazu, an Adjunct Researcher of the National Diet Library at that time.

People Who Cooperated and Contributed Documents

We would like to express our appreciation and recognition to the many people who contributed documents and cooperated in the creation of this exhibit.

Exhibited Documents

Some of the documents presented here are digital images of hand written or printed documents and may include areas that are difficult to read. We apologize for this.

Documents with indication, "the National Diet Library" are kept in the Tokyo Main Building, mainly in theModern Japanese Political History Materials Room (Kensei Shiryoshitsu). (For reservation of the materials, we possibly ask you to use reproduction in microfiches or other forms instead of the originals.)

We do not have the copyright for some of the exhibited documents including ones provided by above-mentioned contributors and collaborators.

Update Information

This site was first offered in July 2006.

In November 2010, Chapter 6 and two columns (Column 8 and Column 9) were added. Screen transfer and others were renovated.

In March 2013, character code and metatag were renovated.


The links to this site can be used without restriction.

You can access them by using the banners shown below.

banner - 88x31 px GIF format 2.1KB

banner - 337x73 px GIF format 8.6KB

Reproduction of the contents

If you wish to reproduce any item or any portion of any item (image, document, article, data, etc.) in this exhibition, please complete the reproduction request form and send it to us in advance.
Please note that in some cases, you cannot use an image that belongs to another institution or is posted with the permission of the copyright holder.
For more details, see Utilizing the contents of the website of the National Diet Library on the NDL website.


E-mail: webcontat n d l dot g o dot j p
Service Planning Division
Reader Services and Collections Department
National Diet Library
1-10-1 Nagata-cho, Chiyoda-ku
Tokyo 100-8924

Copyright © 2006-2010 National Diet Library. Japan. All Rights Reserved.