With the cooperation of a number of organizations and people, including the shogunate, territorial lords, temples, and shrines, it includes 1,273 kinds in total, which are history books and literature published by the early Edo Period.
幕府や諸大名・寺社など多くの機関や人が協力し、江戸時代初期までに刊行された史書や文学作品、計1273種を収めている。