JapanKnowledge Lib
JapanKnowledge Lib
Due to maintenance, there will be periods during which content will be unavailable.
Date and Time:
Wednesday, October 29, 2025, from 18:00 to 21:00 (JST)
(Scheduled)
Services to be suspended:
- JapanKnowledge Lib
Details of the suspension:
- All JapanKnowledge services
(JapanKnowledge Lib, Select Contents, JKBooks)
All services on the above sites will be suspended.
Please note that the actual time of service restoration may vary depending on the progress of the maintenance work.
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.
From March 2018, "Gunshoruiju" is available.
From December 2019, "Archives of Bungeishunju (1)" (1923-1932) is available.
From March 2020, "Archives of Bungeishunju (2)" (1933-1941) and "Archives of Bungeishunju (3)" (1942-1950) are available.
From March 2021, "Kamakuraibun" (Collection of Historical Materials of Kamakura Period) is available.
From April 2021, "Kanji Character-Japanese Dictionary" is available.
From January 2022, "Bijutsu Shinpo" is available.
From March 2022, "Kokushi Taikei" is available.
From January 2023, "Shiryo Sanshu"(from the Heian, Kamakura and Namboku-cho periods in the ancient records section) is available.
From March 2023, "Heianibun" (Collection of Historical Materials of Heian Period) is available.
From January 2024, "Shiryo Sanshu"(from the Muromachi and Sengoku periods in the old diaries section 1-3) is available.
From January 2025, "Shiryo Sanshu(from the Muromachi and Sengoku periods in the old diaries section 4)" and "(from the Muromachi and Sengoku periods in the old diaries section 5)" are available.
From February 2025, "Shiryo Sanshu(from the Muromachi and Sengoku periods in the old diaries section 6)" and "Archives of Bungeishunju (4)-(6)" are available.
From September 2025, "Shiryo Sanshu(from the Muromachi and Sengoku periods in the old diaries section 7)" is available.
- Multidisciplinary
- Arts and Humanities
- Social Sciences
- Natural Sciences
