List of content providers - Dataset of Pre-Modern Japanese Text (National Institute of Japanese Literature and ROIS-DS Center for Open Data in the Humanities) http://codh.rois.ac.jp/pmjt/ - Digital Collection of Keio University Libraries (Keio University Media Center) http://dcollections.lib.keio.ac.jp/ - Kyoto University Rare Materials Digital Archive (Kyoto University Library Network) https://rmda.kulib.kyoto-u.ac.jp/