Some of the digital collections of Japanese institutions are currently off-line, e.g.:
- Laures Rare Book Database | Sophia University (Tokyo)
- University of Tsukuba
Still online at the moment are:
- Doshisha University
- KURENAI (Kyoto University Research Information Repository)
- Nichibunken (International Research Center for Japanese Studies, Kyoto, Japan)
- Digital Archive of Toyo Bunko Rare Books