Dog Owner Fact Sheet
VetstreamCanis.com (copyright protected)
http://www.vetstreamcanis.com/ACI/january/VMD1/FactSheet054.asp

EXCELLENT article on Canine Addison's Disease! Very clearly written and easy to understand!
Vet Stop (Australian site): Describes the functions of the hormones produced by the adrenal glands, physical and laboratory signs/signals of Addison's.
http://www.vetstop.com.au/Info/infaddison.htm  

Overview of the Adrenal Gland(s)
Colorado State: a description of the adrenal glands. Describes the function of each layer
http://arbl.cvmbs.colostate.edu/hbooks/pathphys/endocrine/adrenal/histo_overview.html

Addison's Disease
Novartis Canada -an overview of terminology, diagnostics, and treatment -includes a chart that lists "normal" reference ranges for cortisol, potassium and sodium
http://www.ah.ca.novartis.com/product/percort.html  

Canine hypoadrenocorticism (Addison's Disease): Diagnosis and Treatment of an Emerging Disease
Student technical manual produced by Novartis (copyright 2005)
http://students.novartis.us/pdf/Perc%20Tech%20Manual.pdf

FAQ's
Frequently asked questions
http://canineaddisonsinfo.com/CanineAddisons_FAQs.html

Glossary
Addison's Disease Terminology (this table will remain a "work in progress")
http://canineaddisonsinfo.com/Glossary.html

Hypoadrenocorticism, Addison's Disease in Dogs
Cornell University - Diagnostic Support System for Veterinary Medicine
http://www.vet.cornell.edu/consultant/Consult.asp?Fun=Cause_2433&spc=Canine&dxkw=&sxkw=potassium&signs=1-D030-SA11-GCG