The drawings in this tutorial were blatantly lifted from an excellent Only Pencil blog (Lisandro Pena) tutorial here:
http://www.onlypencil.com/blog/tutorials/drawing-the-human-eye/
18. These drawings were blatantly lifted from an
excellent Only Pencil blog tutorial here
(Lisandro Pena):
http://www.onlypencil.com/blog/tutorials/
drawing-the-human-eye/
http://creativecommons.org/licenses/by-nc-nd/3.0/us/