Tasan
Links
Tasan Chong Yagyong (1762-1836)
http://homepage.ruhr-uni-bochum.de/Sven.K.Herbers-Lee/dateien/tscyy.html
Bibliography of primary and secondary sources in Eastern and Western languages.
Chong Yak-yong "Tasan"
http://www.pennfamily.org/KSS-USA/korean-on-stamp-2.html
Excerpts from several sources putting this scholar in historical context.