In order to view the image data that Japan Center for Asian Historical Records holds, you need to have DjVu document viewer plugin installed in your computer. The plugin is free and can be downloaded as described below.

（a）Please click on the "Download" icon located at left hand corner of the Japan Center for Asian Historical Records website.

（b）Please click on the "Select OS" located at top of the screen and click "Auto download" or "Manual Download".