Secret Berlin 2 January 1941
The Chief of the Security Police and the Security Service (SD)
To:
a. Reich security headquarters
b. All state police headquarters
c. All commandants of the security police and security service
For the information of:
d. All inspectors of the security police and security service
e. The inspectors of the concentration camps (with 15 copies for the camp commandants)
f. The commanders of the security police and security service in Krakow and Prague
Subject: Classification of the concentration camps
The Reichsführer SS and Chief of the German police has approved the division of the concentration camps into various categories which take into account the personality of the prisoner as well as the degree of danger he poses to the state. Accordingly, the concentration camps will be divided into the following categories:
Category I: For all prisoners against whom only slight accusations have been made and who are definitely capable of being reformed, also for special cases and solitary confinement, the camps:
Dachau
Sachsenhausen
Auschwitz I
(The latter also applies in part to category II)
Category Ia: For all old prisoners and those only partially capable of work who can still be used in the medicinal herb gardens, the camp: Dachau
Category II: For prisoners against whom strong accusations have been made, but who are still qualified for re-education and correction, the camps:
Buchenwald
Flossenburg
Auschwitz II