Jangseogak (장서각) was established by Yi Wang-jik in 1918 as a library for Korean studies. Since its opening, the library has housed archives of Korean classics and modern works as well as the Jangseogak documents, which were transferred from the Cultural Asset Management Bureau (now Cultural Heritage Administration of Korea) in 1971.Jangseogak has a stack room, a space for collecting and arranging classical manuscripts and general books, a reading room, a room for references and genealogical records, a theses and periodicals room, an area for special documents, and rooms for filming, photocopying, and developing microfilms. It contains documents for scholastic research and education.Most notably, the Jangseogak holds the Uigwe (287 types 490 books, or Royal Protocols of the Joseon Dynasty, and Donguibogam (25 volumes 25 books/Treasure No. 1085-2) documents, which are both listed on the UNESCO Memory of the World register.