Vidéo sur le dessin d'une tête + un lien vers quelques images du dessinateur, très classique, mais ça marche toujours !

How To Draw A Head The Andrew Loomis Approach Part 1.flv

Como dibujar un rostro desde 0

https://www.youtube.com/watch?v=wN8BwcbP6h4

William Andrew Loomis [1892-1959]

William Andrew Loomis better known simply as Andrew Loomis, was an American illustrator, author, and art instructor. His commercial work was featured prominently in advertising and magazines; ...

http://www.tuttartpitturasculturapoesiamusica.com/2011/11/william-andrew-loomis-1892-1959.html