Encyclopedia of post-colonial literatures in English; Volume 1
edited by Eugene Benson and L.W. Conolly
Routledge, 1994
 Buku Referensi
Funk & Wagnalls new encyclopedia; Volume 2, American English to assiniboine
Funk & Wagnalls, 1983
 Buku Referensi
The Encyclopedia Americana : volume 2
Americana Corporation, 1977
 Buku Referensi
Encyclopedia of psychotherapy; Volume 2
edited by Michel Hersen, William Sledge
Academic Press, 2002
 Buku Referensi
Encyclopedia of knowledge : volume 2
Grolier Incorporated, 1991
 Buku Referensi