The Cleveland Clinic Disease Management Project
This chapter deals with diagnosis, signs and symptoms, treatment and outcome of delirium.
http://www.clevelandclinicmeded.com/diseasemanagement/psychiatry/delirium/delirium.htm

Delirium and Psychotic Symptoms - An Integrative Model
Scientific article by Bruce G Charlton and J Lee Kavanau published in Medical Hypotheses.
http://www.hedweb.com/bgcharlton/delirium.html

eMedicine - Delirium
Background, causes, differential diagnosis and treatment of this acute confusional state. Article by Kannayiram Alagiakrishnan, MD.
http://www.emedicine.com/med/topic3006.htm

Remembering Delirium
Taken from the British Journal of Psychiatry.
http://bjp.rcpsych.org/cgi/content/full/180/1/4