George I. Gurdjieff George I. Gurdjieff edicioneslallave-admin2020-04-14T10:38:18+02:00 Alexándropol, Armenia, 1866 – Neuilly-sur-Seine, Francia, 1949
Idries Shah Idries Shah edicioneslallave-admin2020-04-14T10:38:18+02:00 Simla, India, 1924 - Londres, 1996
Sérgio Veleda Sérgio Veleda edicioneslallave-admin2020-04-14T10:38:19+02:00 Porto Alegre, Brasil, 1959
