http://www.akca.org/library/koiclass.htm ("Koi Classification & Judging Criteria" - by Douglas Dahl)
http://www.koiid.com (website belongs to Gene Winstead - Koi Village.com. Great pictures!)
http://australiankoiassoc.bizland.com/Appreciationofkoi.chtml (A.K.A.)
http://www.thekoikeepers.com/varieties/varieties.html (… lots of pictures)
http://www.wetwebmedia.com/pondsubwebindex/koivarieties.htm
http://www.nfkpc.org/html/koi_show.html
http://www.canadiankoiandpond.ca/varieties.html
http://www.happykoi.co.za/3.%20about%20koi/varieties_japanese_koi_fish.htm
This Document was created by Valentina Scharpf