Stanislav Prokopenko recently released a series of tutorials on Youtube on how to draw the head in both sideview, front view and any angle.
Stan is a US. based artist who have dedicated himself to art, since the young age of just 13 years old. I do wish I had known when I was but 13, that art was what I wanted to do, haha. Stan is originally from Ukraine, but came to the US when he was six years old. He has studied at the Watts Atelier of the Arts in Encinitas in California. Stan has also done quite a few written tutorials which you can find here: http://www.stanprokopenko.com/blog/archives/. There are tutorials on how to draw the head, nose, eyes, hair, ears and mouth among other things.