 This book, which was published in Japan in 1785, deals with Chosen (now Korea), the Ryukyu Kingdom (now Okinawa), and Ezo ( now Hokkaido).In Paris, the text represented the first appearance of Korean han'gŭl in Europe.After Titsingh's death, the printed original and Titsingh's translation were purchased by Jean-Pierre Abel-Rémusat (1788–1832) at the Collège de France.