World War II: The Holocaust - The Atlantic
A Biologist Reconstructs the Grotesque Efficiency of the Nazis' Killing Machine - Scientific American
Holocaust remembrance - Portal
Holocaust Memorial Day Trust | 22 March 1943: Large gas chambers at Auschwitz-Birkenau come into operation
Daily Telegraph's holocaust article in 1942 that went unheralded | Media | The Guardian
Dutch Jews died in 'secret Nazi gas chamber' in 1941 - BBC News
How the Nazi Concentration Camps Worked | The New Yorker
Arizona's Reported 'Zyklon B' Plan for Executions Provokes Anger - The New York Times
Auschwitz: Inside the Nazi State . Auschwitz 1940-1945 . The Killing Evolution | PBS
The Holocaust - Wikipedia
The Fake Nazi Death Camp: Wikipedia's Longest Hoax, Exposed - Israel News - Haaretz.com
Auschwitz: How death camp became centre of Nazi Holocaust - BBC News
Priest uncovers 'Holocaust by Bullets'
Why did the German authorities use gas chambers? :: About Holocaust
Using Cyanide Gas in Executions is an Affront to Jewish Values | ACLU
Killing Centers: An Overview | Holocaust Encyclopedia
Arizona's Reported 'Zyklon B' Plan for Executions Provokes Anger - The New York Times
A Shocking Level of Brutality and Degradation: Dachau in Wartime | The National WWII Museum | New Orleans
Holocaust - Kristallnacht, concentration camps, and ghettos | Britannica
Death by bullets' The Einsatzgruppen and the Soviet Union, 1941-1945 – The Holocaust Explained: Designed for schools
Chelmno Extermination Camp (Poland)
What is the holocaust? | Anne Frank House
Auschwitz: Inside the Nazi State . Auschwitz 1940-1945 . The Killing Evolution | PBS
