well in every country there ae prisons ..I will look into your links, but so far you are giving the same retorts that Nazis use. There were never concentration camps, they were either labor or educational camps. Ergo, the holocaust numbers either super inflated.
nazi camps were made to exterminate jews, gypsies ,homosexuals , handicapped ..
not only nazies ruled extermination camps , there are camps where serbs and jews were exterminated by Usctascia fascist regime in croatia ..were horrendus crimes happened and some francescan priests were involved ..( search for Jasenovac Genocide )
was that the case with soviet gulags ?