-
http://books.google.com/books?id=CSTs4XWOViYC
(es)
-
http://books.google.com/books?id=Ozdtvf47MjMC
(es)
-
http://books.google.com/books?id=SDpmyQLaI5gC
(es)
-
http://books.google.com/books?id=YT1tptP22dUC
(es)
-
http://books.google.com/books?id=qtEH15rbAGYC
(es)
-
http://www.aloj.us.es/libros-articulos/Filos_y_AF/Libros_Texto_files/Manual%20Filosofica.pdf
(es)
-
http://www.bac-editorial.com/ficha.php?id=13333
(es)
-
http://www.ramonlucas.org/index.php?option=com_content&view=article&id=23:explicapersona&catid=1&Itemid=10
(es)
-
http://www.sigueme.es/colecciones/new_popupautor.asp?IdAutor=141
(es)
-
<http://books.google.com/books?id=BfFvvSXL9CoC>
-
<http://books.google.com/books?id=cmrrKxv253kC>
|