The official gazette which is published by government can be searched from the text and its issue date.

You can cross-search the largest knowledge database in Japan that accumulates the encyclopedias, the dictionaries, news, and scientific site URL collection, etc.

It was renewed in "JapanKnowledge Lib" in April, 2014 and also "National History Dictionary" and "Encylopedia of Japanese Historical Place Names” were integrated.

From March 2017, "Jinbutsusosho" is available.

The INIS Bibliographic Database covers the world's literature on the peaceful applications of nuclear science and technology.

EBSCOhost eBook Collection, formerly known as NetLibrary, provides access to more than 5,000 ebooks, the full-text of traditionally published books in electronic format. EBooks are fully searchable.

World Contents is a comprehensive discovery service where you can quickly search and access vast amounts of academic information in the world. World Contents can search "deep web" contents which Google or other search engines cannot access.