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WWW  Yabe Teiji Kankei Bunsyo + Hoi (online edition)  
同時接続数...No limit   収録範囲...1918-1967  資料タイプ...Full-text databases  分野...History  日本語

Collection of documents related to political scientist Teiji Yabe (1902-1967), who was deeply involved in real politics throughout the prewar and postwar period.
User guide (jpn)[J-DAC]

Cross-searchable as "Modern Historical Documents Database" https://j-dac.jp/MJPH/index.html

WWW  Yamaichi Securities Co., Ltd. The first term (Online edition)  [provided by Graduate School of Economics] new
収録範囲...明治期~昭和20年代  資料タイプ...Full-text databases  分野...Economics and Business  日本語

The main part of the database is based on materials collected and organized by Yamaichi Securities, that went out of business in 1997, when it published "Yamaichi Securities History" in 1958 to commemorate the 60th anniversary of its founding. The original materials are in the possession of the University of Tokyo, Faculty of Economics Library.
This time, we have introduced the part corresponding to the first to twelfth collections of the microfilm version.

WWW  Unicanet  [FREE]
同時接続数...No limit   資料タイプ...Library catalogs  分野...General - Whole Field  日本語
Provided by National Diet Library (NDL). The union catalog about Japanese books, holded by NDL and public libraries in Japan.
注意事項  This service will be integrated to NDL Search at January 6, 2012.

WWW  Yomidasu Rekishikan KU EJ/DB Authentication System  
同時接続数...2   収録範囲...1874-  資料タイプ...News and Newspaper  分野...General - Whole Field  日本語

To access this database via the new authentication system, click here.

Yomidasu provides an article database that includes Yomiuri-Shinbun (since 1874) and The Japan News (since 1989). You can also use "Regional Sections (Showa Era)" and "Yomiuri-Jinbutu Database."