Arthur Schopenhauer und das Geheimnis des WillensDelia Aguiar Baixauli, Mariela Aguiar, Thorsten Dietz, Corinthe Petersik, Klaus Peter Ebert · First published 2017Open the Tome
Arthur Schopenhauer y el Secreto de la VoluntadDelia Baixauli, Mariela Aguiar · First published 2016Open the Tome
