▁and ▁dis gu ising ▁murder ▁sites ▁was ▁also ▁adopted ▁in ▁Tre bl ink a ▁and ▁Sob ib or ▁death ▁cam ps . ▁ ▁Death ▁to ll ▁The ▁historian ▁Eugen ius z ▁Sz ro jt ▁in ▁his ▁ 1 9 4 7 ▁study ▁published ▁by ▁the ▁Bul letin ▁of ▁the ▁Main ▁Commission ▁for ▁the ▁Investig ation ▁of ▁German ▁Cr imes ▁in ▁Poland ▁( B iu let yn ▁G łów nej ▁Kom is ji ▁Bad ania ▁Z b rod ni ▁Niem ieck ich ▁w ▁Polsce , ▁ 1 9 4 7 ) ▁following ▁an ▁investigation ▁by ▁G KB Z N w P ▁which ▁began ▁in ▁ 1 9 4 5 , ▁estimated ▁the ▁number ▁of ▁people ▁murder ed ▁in ▁Be ł ż ec ▁at ▁ 6 0 0 , 0 0 0 . ▁This ▁number ▁became ▁widely ▁accepted ▁in ▁the ▁literature . ▁Ra ul ▁Hil berg ▁gave ▁a ▁figure ▁of ▁ 5 5 0 , 0 0 0 . ▁Y itz h ak ▁Ar ad ▁accepted ▁ 6 0 0 , 0 0 0 ▁as ▁minimum , ▁and ▁the ▁sum ▁in ▁his ▁table ▁of ▁Be ł ż ec ▁deport ations ▁by ▁the ▁city ▁exceed ed ▁ 5 0 0 , 0 0 0 . ▁Jó zef ▁Mars za ł ek ▁calculated ▁ 5 0 0 , 0 0 0 . ▁British ▁historian ▁Robin ▁O ' Ne il ▁once ▁gave ▁an ▁estimate ▁of ▁about ▁ 8 0 0 , 0 0 0 ▁based ▁on ▁his ▁investig ations ▁at ▁the ▁site . ▁German ▁histor ians ▁Di eter