Bibliography of Asian studies (BAS): Indexes to scholarly sources written in English in all subject areas on countries in Asia
MagazinPlus:Indexes to journal articles from Japan published since 1948, articles in popular Japanese magazines since 1980, and essays in festschriften, conference papers, books, annuals, and research reports since 1945.
Tōyōgaku Bunken Ruimoku Kensaku 東洋学文献類目検索 [第7.3 α版]: Provided by the Institute for Research in Humanities, Kyoto University. The database covers books and articles in Chinese studies published in East Asian countries and the West between 1934 and 1980, and since 2001. For publications between 1981 and 2000, please check: Tōyōgaku Bunken Ruimoku Kensaku 東洋学文献類目検索 [第6.10版].
Zasshi kiji sakuin shūsei dētabēsu 雑誌記事索引集成データベース = The Complete Database for Japanese Magazine and Periodicals from the Meiji Era to the Present: Indexes to journal and magazine articles from Japan published since the Meiji period (1868-1912), with links to NACSIS Webcat, WebcatPlus, and the National Diet Library's OPAC.
Chūgoku kankei ronsetsu shiryō 中国関係論説資料. Call No.: East Asian 9215.5672 Note: This is a an annual compilation of research articles published in Japan on Chinese subjects
You can also locate Japanese journals on Chinese subjects in OskiCat by limiting language (select "Japanese") and format (select "journals/magazines/newspaper") in the Advanced keyword search screen.