Japan Center for Asian Historical Records

Search by KeywordSearch the documents by entering keyword.
Search by CategoryThis is the dictionary data in which the keyword searched for appears. Click on the place name, personal name, or event category to navigate to the keyword pertaining to the search.
Alphabetical Index SearchThis is the dictionary data in which the keyword searched for appears. Click on the alphabetical index to navigate to the keyword pertaining to the search.
Search by Reference CodeSearch the documents by entering reference code. You can directly access to specific documents you have already identified.
Cross SearchComprehensively search Asia historical documents of JACAR, NAJ Digital Archive, and databases of other institutions.
JACAR Dictionary SearchImprove results by using keywords (i.e., terms in use when the documents were originally created) when searching the JACAR Dictionary.

6. Search by Reference Code screen

To search you can use a unique identification number assigned to each document (reference code).

Reference Code Search can be used when the search has been performed in the past and therefore the reference code is known.

※ The reference code associated with a document is displayed when it is viewed following any search.

You may find documents by entering 12 digits alphanumeric characters at the Reference Code Search screen.
After you enter a reference code, click on "Search".