The University of Washington Law Library has two guides to Korean Legal Research :
The University of Iowa Law Library guide, Korea - Getting Started, covers both North and South Korea.
Two South Korean research guides are available from GlobaLex:
United States Foreign Relations
The Columbia Law School Center for Korean Legal Studies provides some links to Korean news and law sites.
Megasites from the [U.S.] Law Library of Congress, Yale Law School (see the listing for South Korea) and Washburn University Law School’s WashLaw provide links to Korean government websites. See the Heafey Law Library Research Guide on Foreign and Comparative Legal Research for links to additional megasites, such as the World Legal Information Institute.