http://www.1911encyclopedia.org/Pierre_Etienne_Theodore_Rousseau
http://www.schillerandbodo.com/view_image.html?image_no=58
http://www.askart.com/AskART/artist.aspx?artist=9000956&redir
_ Escuela de Barbizon -Francia-
http://www.youtube.com/watch?v=o7veazMqT4g