Asahi Shimbun database from its first edition in 1879 (Meiji 12) to today, including Gaichiban, Overseas editions in the colonial period (1935-45), and Asahi Graph, a pictorial magazine (1923-56).

Full-text search for major newspapers in Japan. (Most of the coverage starts after 2002.)

Formerly called NDL Index of Japanese Newspapers (全国新聞総合目録データベース): Searchable database for finding Japanese library holdings for regional and national newspapers; includes information on range of holdings and library contact information.

Kobe University's newspaper clippings collection (end of Meiji to 1970).

Contains about 600 kawaraban from the Edo era, and about 400 samples (280 unique items) of nishiki-e from the Meiji period.

The largest online archive of open-access, full-image Japanese American and other overseas Japanese newspapers in Asia and South America (1887-1975), provided by The Japanese Diaspora Initiative at Hoover Institution.