Choi, Min-hong
A Modern history of Korean philosophy
Seong Moon Sa, 1978
 Buku Teks
Mayer, Frederick
A history of modern philosophy
American Book Company, 1951
 Buku Klasik
Mayer, Frederick
A history of modern philosophy
American Book Company, 1951
 Buku Teks
Agrarian condition in modern European history
edited by Charles K. Warner
Macmillan, 1966
 Buku Teks
Agrarian conditions in modern European history
edited by Charles K. Warner
Macmillan, 1966
 Buku Teks