Those are collection of works, 4,000 representative writers’ from Silla to Japanese colonial rule. If quantity and value are considered, we have no competition, cause we have over 80% of disclose data.
Collected all kinds of books on History, Geography and Custom in the late period of Chosun. There are so many important research materials about study of Korean Modern and contemporary.
The greatest researchers have completed Korean translation Koryosa. It not only translated the 475-year Koryo history in easy Korean, but also upgraded understanding of original version with plentiful annotation.
It is the essential research materials comparing translation version with original one ,and we arranged plentiful articles regarding relations between Korea and Japan for two thousand years from the period of three Kingdoms through late nineteenth century chronologically.