Silcock, Arnold
Faber and Faber, 1936
Buku Teks
Prodan, Mario, author
Hutchinson, 1958
Buku Teks
Munsterberg, Hugo, 1916-1995, author
Philosophical Library, [1949]
Buku Teks
Sun, Weizu
Foreign Language Press, 2010
Buku Referensi
Pott, F.L. Hawks, author
Kelly and Walsh, 1936
Buku Teks