Here are a few
http://www.ebobminiatures.com/sculpting/faces.htm
This one kinda looks like bruce willis
http://sciborminiatures.com/en_,sculpting.php?id=662
http://massivevoodoo.blogspot.com/2010/01/massive-voodoo-sculpting-tutorial.html?m=1
http://lindasmithoriginals.com/tutorials/sculpt-a-fairy-face/