Shealy, C. Norman
The illustrated encyclopedia of Healing Remedies
Element, 1998
 Buku Referensi
Japan : An illustrated encyclopedia
Kodansha, 1993
 Buku Referensi
Oxford illustrated encyclopedia of the arts
Norwich, John Julius, editor
Oxford University Press, 1990
 Buku Referensi
The illustrated encyclopedia of architects and architecture
edited by Dennis Sharp
Quarto Publishing, 1991
 Buku Referensi
Harris, Cyril M.
American architecture: an illustrated encyclopedia
W.W. Norton, 1998
 Buku Referensi