Sansom, George Bailey, Sir, 1883-1965
The western world and Japan
The Creasst Press, 1950
 Buku Teks SO
Johnson, Elmer D.
History of libraries in the Western World
Scarecrow Press, 1970
 Buku Teks
Great books of the western world
editor in chief, Mortimer J. Adler
Encyclopedia Britanica, 1990
 Buku Referensi
Great books of the western world
editor in cheief, Mortimer J. Adler
Encyclopedia Britanica, 1996
 Buku Referensi
Great books of the western world
Adler, Mortimer J., 1902-2001 (change)
Chicago, Encyclopedia Britanica, Inc, 1990,
 Buku Referensi