noun
Kokushi Taikei (historical compilation)
A major collection of Japanese historical texts, originally edited by Taguchi Ukichi (1897–1904) and later revised by Kuroita Katsumi (1929–1964).
国史大系は日本史研究の基本文献です。
The Kokushi Taikei is a fundamental text for Japanese history research.
From 国史 (national history) + 大系 (compendium, great series).