Dieu, Marcel (aka Hem Day) - F Ferrer, L'homme, La escuela moderne, Ses idées, Son idéal (Pensée et action, 1959)

http://anarchief.org/w/images/e/e2/Day%2C_Hem_-_F_Ferrer%2C_L%27homme%2C_La_escuela_moderne%2C_Ses_id%C3%A9es%2C_Son_id%C3%A9al_%281959%2C_Pens%C3%A9e_et_Action%29001.pdf