Welch, Joseph N.
The constitution
Houghton Miffiln, 1956
 Buku Teks
Park, Won
Thoughts of a Korean
Inka University Press, 1970
 Buku Teks
Pringle, John Martin Douglas, 1912-
On second thoughts
Angus and Robertson, 1971
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Matsushita, Konosuke
Thoughts on man
PHP Institute International, 1982
 Buku Teks SO
Keum, Jang-tae
Confucianism and Korean thoughts
Jimoondang, 2000
 Buku Teks