HomeJapanese History
- 国史大辞典（JapanKnowledge Lib）
Covers all domains of Japanese history, along with relevant entries from neighboring fields such as archaeology, folklore, religion, art, linguistics, literature, and geography. - 誰でも読める 日本史年表（JapanKnowledge Lib）
Includes furigana for all kanji in article texts, making complex names and historical terms clearer and easier to interpret.
Geography
- 日本歴史地名大系（JapanKnowledge Lib）
Offers over 150,000 place name entries across Japan's 47 prefectures and Kyoto City, complete with reference literature, maps, administrative transitions, rice taxation data, and other valuable supplementary materials. - 新版 角川日本地名大辞典（JapanKnowledge Lib）
Compiles place names by prefecture, referencing sources from ancient to modern times. Describes the origin, historical background, and evolution of each location.
World History
- 一度読んだら絶対に忘れない世界史の教科書（SBクリエイティブ・2018年）
Clearly organizes and explains key events and patterns in world history. Designed to be easily accessible for beginners, with engaging features to aid retention. - 詳説世界史研究（山川出版社・2017年）
A revised version of a long-selling world history series with a new team of authors. Follows the structure of the "Detailed World History" textbook and deepens the narrative.
