Domestic materials are legally deposited in accordance with the Article 7 (Material Provision and Legal
Deposits) of the National Assembly Library Act, foreign materials are collected as per the policies of foreign
nations.
The library also focuses on collecting Korea-related materials located abroad. It collects various electronic
media such as Web DB, CD-ROM, MF, DVD, and audios.
All materials are classified according to「Dewey Decimal Classification (DDC) 22nd Ed.」However, some of
its subdivisions relating to Korea and other Asian relations are classified according to「Orient Related Detail
Classification (2005 Ed.)」complied by the NAL. As for author tables, Asian books are assigned according
to the「Yi Chun Hee East Asian Author Table」, while Western books use the「Cutter-Sanborn Three Figure Author Table」.