Johns, Dean.
Even madder about Malaysia : more columns for Malaysiakini.com
Strategic Information and Research Development Centre , 2009
 Buku Teks SO
Johns, Dean
Missing Malaysia : still more columns for Malaysiakini.com
Strategic Information and Research Development Centre , 2010
 Buku Teks SO
Beams and beam columns
edited by R. Narayanan
Applied Science, c1983
 Buku Teks
Adams, Jonathan
Columns : detail in building / Jonathan Adams
Academic Edition, 1998
 Buku Teks SO
Yim, Seock Jae
Floral lattices: columns and pavilions a study of Korean architecture
Ewha Womans University Press, 2005
 Buku Teks