Suicide by Cop  
   For law enforcement personnel.
   http://www.suicidebycop.com/

Suicide By Cop  
   Victim Precipitated Homicide, articles by criminologist Rick Parent.
   http://www3.bc.sympatico.ca/parent/

A Practical Guide To Suicide  
   Early draft by the Church of Euthanasia.
   http://www.satanservice.org/coe/suicide/guide/

ash Methods File  
   Old, inaccurate, humorous yet comprehensive list of methods.
   http://www.landfield.com/faqs/suicide_methods/

Assisted Suicide Methods  
   Dr. Jack Kevorkian uses these two methods to help people commit suicide.
   http://www.freep.com/suicide/suicide_methods.htm

Methods Information  
   Electrocution, hanging, LD50 data, and methods to avoid.
   http://geocities.com/dunricin/methods.htm

Seppuku  
   A practical guide.
   http://kyushu.com/gleaner/editorspick/seppuku.shtml

How to Kill Yourself Using the Inhalation of CO  
   Practical instruction on how to kill yourself using the inhalation of carbon monoxide gas.
   http://www.jerryhunt.org/JerryHunt/kill.asp

Suicide and Attempted Suicide: Methods and Consequences  
   Medical consequences of suicide attempts. Contains substantial parts of Geo Stone's standard reference book, plus additional material.
   http://suicidemethods.net

The Suicide Files  
   Thanatogast's list of suicide methods ranging from the funny to the serious. Celebrating the right to choose death.
   http://www.geocities.com/thanatogast/

Death with Dignity FAQ: Section 8  
   Includes a subsection on the use of inert gas to hasten death.
   http://www.togopeacefully.com/DYING.html

ash Methods Wiki  
   Wiki of suicide methods based on the ash methods file, but without humor.
   http://www.deviantcase.com/methods/

NPR : My Final Landing:  
   Suicide by airplane.
   http://www.npr.org/templates/story/story.php?storyId=4474032