Order issued by Heinrich Himmler to Oswald Pohl and SS police officials for the transfer of all eastern Jews from ghettoes to SS concentration camps [Belarus]: “1) I order that all Jews still remaining in ghettos in the Ostland area have to be collected in concentration camps. 2) I prohibit any taking out of Jews from concentration camps for (outside) work projects beginning from 1 August 1943. … 4) The biggest possible part of the male Jews has to be brought to the concentration camp in the oilshale area for the mining of oilshale …”
Harvard Law School Library Item No. 4434, Harvard Law School Library, The Nuremberg Trials Project, Accessed 1/15/2015