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  1.  9
    Sirhakp'a ŭi ch'ŏrhak sasang kwa sahoe chŏngch'ijŏk kyŏnhae.Sŏng-chʻŏl Chŏng - 1974 - [P'yŏngyang]: Sahoe Kwahak Ch'ulp'ansa.
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  2. Chosŏn chʻŏrhaksa.Sŏng-chʻŏl Chŏng - 1987 - [Pʻyŏngyang]: Kwahak, Paekkwa Sajŏn Chʻulpʻansa. Edited by Pong-ik Chʻoe.
     
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  3.  7
    Chōsen jitsugaku shisō no keifu.Sŏng-chʻŏl Chŏng - 1982 - Tōkyō: Yūzankaku Shuppan.
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  4. Chosŏn ponggŏn sigi chʻŏrhak.Sŏng-chʻŏl Chŏng - 1962 - [Pʻyŏngyang]: Kwahagwŏn Chʻulpʻansa.
     
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  5. Chosŏn yulli sasangsa.Sŏng-chʻŏl Chŏng - 19uu - [Pʻyŏngyang]: Kwahak Paekkwa Sajŏn Chonghap Chʻulpʻansa.
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