20191202d1990 u||y0frey5050 ba - CC . = Paris LCCN: 2070701433 Subjects--Personal Names: IBN KHALDUN (ABD AL-RAHMAN IBN MUHAMMAD) Subjects--Corporate Names: SCIENCE HISTORIQUESYSTEME DE REPRESENTATIONSCIENCE ECONOMIQUECOURANTS DE PENSEEPHILOSOPHIESCIENCE POLITIQUEEUROPE