Kikuzo (聞蔵) by Asahi Shinbun
Distributed by Asahi Shinbun, a distinguished newspaper company in Japan, KIKUZO II database provides all articles published by the company since 1984, including Asahi Shinbun and its regional editions, weekly magazines AREA (May 1988-) and Shukan Asahi (April 2000-). More than 1,000 news articles are added to this database on a daily basis. It also contains searchable image database of actually published newspapers between 1945 and 1984, and as of Jan. 2009, the database contains approx. 8 million articles.