Journals and Newspapers

CiNii: Citation Information by NII 論文情報ナビゲーター 
Part of GeNii; contains indexes to journal articles, including the NDL Journal Periodicals Index, with full-text for some fifteen hundred journals

Zasshi kiji sakuin shūsei dētabēsu 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.

MagazinePlus
Contains the NDL Japanese Periodicals Index of journal articles published since 1948; articles in popular Japanese magazines since 1980; and essays in festschriften, conference papers, books, annuals, and research reports published by research organizations between 1945 and 2003

Asahi Kikuzo II Visual
Accesses to Asahi shinbun 朝日新聞(1945-present), AERA (May 1988-present), Shūkan Asahi 週刊朝日 (April 2000-present; news section only), Chiezō 知恵蔵 (the latest issue only), and Historical Photo Archive 歴史写真, containing some ten thousand historical photographs taken in Asia and Europe from the 1930s to 1945 (available until March 2010)

Nikkei Telecom 21
Full-text access to Nihon keizai shinbun 日本経済新聞 (1876/12/2-1956/12/31, and 1981/10-present), Nikkei sangyō shinbun 日経産業新聞 (1981/10-present), Nikkei ryūtsū shinbun 日経流通新聞 (1985/10-present), and Nikkei kin’yū shinbun 日経金融新聞 (1987/10-2008/1); offers English sources including Nikkei English News, Nikkei Weekly, and translations of major articles from the newspapers above, as well as Nikkei Company Profile (thirty-thousand company profiles) and Nikkei Who's Who (twenty thousand corporate executive profiles)

Yomidasu Rekishikan ヨミダス歴史館
Full-text access to Yomiuri shibun 読売新聞 (1874-present) and Daily Yomiuri (1989-present), along with Japanese/English, English/Japanese, and new words dictionaries containing definitions and biographies, which work by highlighting words in the article and clicking dictionary buttons

Factiva
Access, mostly to full text, to nearly nine thousand business and general news sources, including U.S. and international newspapers, magazines, and wire services; includes major Japanese newspapers Mainichi shinbun 毎日新聞 and Yomiuri shinbun 読売新聞 and English newspapers on Japan Daily Yomiuri, Mainichi Daily News, and Japan Times

Taiyō
An online version of the journal Taiyō 太陽, originally published by Hakubunkan from 1895 to 1928, and indexes to Bungei kurabu 文藝倶楽部 and Kōyūkai zasshi 校友会雑誌

Bungei kurabu 文藝倶楽部
An online version of the journal,  Bungei kurabu 文藝倶楽部, originally published by Hakubunkan from 1895 to 1933, offers easy access to 284 issues published between 1895 and 1912 in 108,070 pages, comprising articles by ca. 2,600 authors, including Higuchi Ichiyō, Izumi Kyōka, Ozaki Kōyō, Tayama Katai, and Yamada Bimyō.  In addition to literary texts, the journal features also color illustrations at front pages (kuchie) by well-known artists of the time.

Reference Sources and Books

JapanKnowledge
Access to basic Japanese reference sources including encyclopedias and dictionaries (e.g., Nihon daihyakka zensho 日本大百科全書, Nihon kokugo daijiten 日本国語大辞典, Encyclopedia of Japan, etc.) and to full text of the monographic series Tōyō bunko 東洋文庫 (Heibonsha) and the weekly magazine Shūkan ekonomisuto 週刊エコノミスト