Title: Imha Chŏng Sa-ch'ŏl kwa Nagae Chŏng Kwang-ch'ŏn Sŏnsaeng
Subjects: Confucian Philosophy, History, Neo-Confucianism
Places: Korea (South), Taegu, Korea
People: Sa-ch'ŏl Chŏng (1530-1593), Kwang-ch'ŏn Chŏng (1553-1594)