The Samguk-yusa form a treasure trove of information on ancient mythology, history, culture, religion, life, literature and ideology of Korea, in an early form of ethnography as early as in the 13th century in constructing collective consciousness among Korean peoples. It has significance as the first comprehensive history of Korea, containing historical accounts during and before the Three Kingdoms. It is the earliest extant record of Dungun, the mythical founder of the first legendary Korean State Gojoseon, and is also considered to be an important item documentary heritage for the study of relations among East Asian countries.