CiNii The academic database service founded and maintained by Nii (National Institute of Informatics)
CiNii Artiles Index and abstract database for Japanese articles mainly focus on academic journals
CiNii Books Bibliographic information and Union Catalog of Japanese books
CiNii Dissertations Bibliographic information on dissertations
NDL Online (National Diet Library Japan Online Catalog) 国立国会図書館オンラインサーチ
NDL Search 国立国会図書館サーチ Integrated search of materials and digital contents provided by the NDL, public libraries, university libraries, special libraries, academic research institutions, etc.
MagazinePlus Database for journal articles includes both academic and commercial publication
Zasshi kiji sakuin shusei dētabēsu = 雑誌記事索引集成データベース
Web Oya-Bunko Index to journal articles
