bibliografia

http://www.webdianoia.com/platon/platon_fil_ideas.htm

http://www.biografiasyvidas.com/monografia/aristoteles/filosofia.htm

http://www.iesdionisioaguado.org/joomla/index.php?option=com_content&view=article&id=1324:resumen-del-pensamiento-de-santo-tomas&catid=80:santo-tomas-de-aquino&Itemid=27

http://www.webdianoia.com/medieval/agustin/agustin_filo2.htm

http://www.webdianoia.com/moderna/locke/locke_fil_intro.htm

http://www.biografiasyvidas.com/biografia/l/locke.htm