The Devil Has Seven Faces (1971) Il diavolo a sette facce, Bloody Mary, Der Teufel hat sieben Gesichter, Die Diamantenlady, El diablo tiene siete caras, Le diable a sept visages, O diavolos me ta efta prosopa, The Devil with Seven Faces
The Two Faces of Fear (1972) Coartada en disco rojo, I due volti della paura, Les 2 visages de la peur, To teleio allothi
The Killer Must Kill Again (1975) L’assassino è costretto ad uccidere ancora, The Dark Is Death’s Friend, The Killer Must Strike Again
