Delirium  
   Definition, differential diagnosis and treatment.
   http://www.mentalhealth.com/dis/p20-or01.html

Patient Family Guide  
   From the American Psychiatric Organisation. [PDF]
   http://www.psych.org/psych_pract/treatg/patientfam_guide/Delirium.pdf

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