《81制片厂短视频》AmericanfilmcriticElvisMitchell’skaleidoscopicdocumentarycreatesadefinitivenarrativeoftheBlackrevolutionin1970scinema,fromgenrefilmstosocialrealism—aworkofpainstakingscholarshipthat’salsothoroughlyentertaining,anessentialarchivaldocumentandtestamenttoaperiodofAmericanfilmhistoryunlikelytoberepeated.