OPERATION REINHARD:

^{Operation Reinhard (Aktion Reinhard or Einstaz Reinhard in German) was the code name given to the Nazi plan to murder Polish Jews in the General Government, and marked the beginning of the most deadly phase of the Holocaust, the use of extermination camps. During the Operation, as many as two million people were murdered in Belzec, Sobibor, Treblinka and Majdanek, almost all of whom were Jews.}

1. Aktion Reinhard Camps
2. Operation Reinhard, Wikipedia
3. The Origins of Operation Reinhard - The Decision Making Process for the Mass Murder of the Jews in the General Gouvernment - by Yad VaShem
4. Documentary Evidence concerning Aktion or Einsatz (Operation) Reinhard (alternatively spelled Reinhardt)
5. Operation Reinhard first systematic killing operation of the Holocaust
6. Operation Reinhard (Einsatz Reinhard) by the Unites States Holocaust Memorial Museum
7. “Operation Reinhard”: The Extermination Camps of Belzec, Sobibor and Treblinka
8. The Operation Reinhard Extermination Camps - by Gord McFee
9. The Nizkor Project: Holocaust A Layman's Guide to
   Belzec, Sobibor, and Treblinka
10. Belzec Extermination Camp, Poland
11. The Nizkor Project: Operation Reinhard - The Extermination Camps of Belzec, Sobibor and Treblinka. Belzec - from March 17 till June 1942
12. Chelmno and Operation Reinhard
13. 87 Command Staff - Operation Reinhard (Aktion Reinhard & Einsatz Reinhard also used) (Holocaust: Reinhard)
14. Operation Reinhard (Einsatz Reinhard) - Personal Stories