Kaufering Camps
- The largest online collection of photographs and information on the eleven Kaufering death camps, which were located around the area of Landsberg, Germany. These camps have been known to be the worst of all Nazi concentration camps.
- http://www.kaufering.com

Concentration Camps
- Extensive set of articles.
- http://www.jewishvirtuallibrary.org/jsource/Holocaust/cc.html

Touring a World of Terror
- Concentration camps, crematoria, gas chambers, Nazi medicine, and photos.
- http://www.rudyfoto.com/hol/nazicamps.html

Museum of Tolerance - Stutthof
- Contains photos, maps and brief overview.
- http://motlc.learningcenter.wiesenthal.org/pages/t075/t07526.html

Museum of Tolerance - Neuengamme
- Contains photos, maps and brief overview.
- http://motlc.learningcenter.wiesenthal.org/pages/t053/t05360.html

Rudolf Hoess, Commandant of Auschwitz - Testimony at Nuremburg
- A signed testimony at the Post-War trials of major war criminals held at Nuremburg in 1946.
- http://www.fordham.edu/halsall/mod/1946hoess.html

Aktion Reinhard Camps
- The Nazi plan to exterminate the Jews of Poland and other European countries.
- http://www.deathcamps.org/

Gates To Hell - Nazi KZ Camps
- Extermination centers in occupied Poland with special apparatus especially designed for mass murder: giant death machines.
- http://www.deathcamps.info/

Images for Reflection
- Contains recent images of many camps. By Scott L. Sakansky.
- http://www.imagesforreflection.com/

Forgotten Camps
- History of Nazi camps in Amersfoort, Vught, Breendonk, Drancy and Plaszow.
- http://www.jewishgen.org/ForgottenCamps/

Wobbelin Concentration Camp Survivor Project
- Effort to collect information about Wobbelin victims and their experiences.
- http://www.wobbelin.com/

Terezin Initiative Institute
- Information on the Terezin (Theresienstadt) concentration camp in Bohemia and Moravia. Includes documents, studies, publications, library, and database of prisoners. Also in Czech and Dutch.
- http://www.terezinstudies.cz/eng/main