por Robinson, Andrew [editor] | Anderson, Philip [colaborador] | Barber Casasnovas, Cristóbal [traductor] | Bet ha-sefarim ha-leʼumi veha-universitaʼi bi-Yerushalayim. Albert Einstein Archives.
por Leamy, Selwyn [autor] | Barber Casasnovas, Cristóbal [traductor] | Leamy, Selwyn. Read this if you want to be great at drawing.