Windelband, Wilhelm, author
Happer & Brothers, 1901
Buku Teks
Radhakrishnan, S. (Sarvepalli), 1888-1975, author
Macmillan, 1951
Buku Teks
Collins, James, author
The Bruce Publishing Company, 1954
Buku Teks
Warburton, Nigel, 1962-, author
Yale University Press, 2012
Buku Teks
Choi, Min-hong, author
Seong Moon Sa, 1978
Buku Teks