Tosa-han's Petition on the Restoration of the Imperial Rule. (Copy)
Memorandum on SENCHU HASSAKU (Eight Proposals made in a Boat).
GIDAI SOAN (Proposed Agenda).
BESSHI GIDAI SOAN(Proposed Agenda: Annex).
MIYAKO FURYU TOKOTON-YARE-BUSHI.
Written Order to overthrow the former Tokugawa Shogunate Army.
Saigo Takamori's handwriting.
Sakamoto Ryoma's Letter.
History of the Opening of Japan, History of the Army, History of the Navy.
KOYU SHUKAN (Private Correspondence).

Treaty of Peace and Amity between the United States and the Empire of Japan (Kanagawa Treaty) (Copy)
Russo-Japanese Treaty of Amity. (Copy)

Draft of the Family Registration Law.
ZAYU NIKKI (Sugiura Yuzuru's Diary).
Written Opinion of Ito Hirobumi.
Matsukata Masayoshi's Letter.
Memorandum on Constitutional Government to the Emperor by Okuma Shigenobu.
Imperial Letter on Dispatch of a Special Envoy to Europe to research Constitutional Government.
Certificate of election in the First General Election of the House of Representatives.
National Diet Member Sugoroku (Board Game).
Draft of KENKEN YOROKU.
Nishikie (colored woodblock print) of the Imperial Diet Building.
Saionji Kinmochi's Letter.
An Chung-gun's autobiography and essay.

Draft Oath and Supplementary Oath of the Aikoku Koto (Public Party of Patriots)
Draft of the Petition for the Establishment of a Democratic Parliament.
Draft of the Agreement at the Osaka Conference.
The Risshisha Petition. (Copy)
NAN-YU NISSHI.
Written Petition asking Permission to establish a National Diet.
Written Petition asking Permission to establish a National Diet (Supplementary Petition).
Draft of the Constitution of Great Japan in the Orient.
Covenant of the Jiyuto (Liberal Party).
Directory of Liberal Party Members.
Oi Kentaro's Letter.
Report on Kochi Prefecture.

Roesler Draft of the Constitution of the Empire of Japan.
Natsushima Draft of the Constitution.
Draft of the Constitution of the Empire of Japan.
Draft of the Constitution for Examination by the Privy Council.

Record of the Meeting of Ito, Okuma and Itagaki.
Draft Letter of Resignation by Itagaki Taisuke.
Draft Rules of the Rikken Seiyukai Party.

Hara Takashis Letter.
Den Kenjiro's Diary.
Son and Lee's Notice. (Copy)
JISHIN JINSHIN-KI(Record of the Great Earthquake and the Disturbances).
Notes on the Establishment of the Kiyoura Cabinet.

Telegram on the State of Affairs. (Tanaka Giichi's telegram to Terauchi)
Motoyama Hikoichi's Letter to Goto Shimpei.
Draft of General Principles and Policies of the Rikken Doshikai Party.

Reference on the Amendment of the Election Law (1919) and Related Files on Universal Manhood Suffrage.
Three Constitutional Parties' Decisions of the Research Committee on Universal Suffrage.

Lives of Day Laborers.
Hamaguchi Osachi's Diary.
ZUIKAN ZUIROKU (Memoirs).
List of Suspects arrested in the May 15th Incident.
Memorandum by Saionji Kimmochi.
Comments on a Purge in the Army.
Program and Menu for the Completion Ceremony of the Imperial Diet Building.
A Letter declining the Imperial Order to form a Cabinet. (Manuscript)
Arima Yoriyasu's Diary.
Leaflets dropped by the U.S. Air Force.

Record of the Preparations for organizing the new Nihon Jiyuto Party.
General Principles, Policies, and Rules of the Socialist Party of Japan.

Draft of the Constitution of Japan. (MacArthur Draft)
Foreign Ministry�fs Provisional Translation of the "MacArthur Draft."
Constitution of Japan.