Silhak
Links
The Characteristics of the Practical Learning in the Later Chosun Dynasty
http://web2.kwangju.ac.kr/~jrhee/info/paper/pa1.html
Abstract of a paper on the Silhak school, delineating five distinctive aspects of this school's thought.
http://web2.kwangju.ac.kr/~jrhee/info/paper/pa1.html