Another page of heads

Sorry for the lack of posts- I've been lazy and I went to NYC a couple of days ago. Here are 2 pages of heads-probably my last because I'm getting bored with this topic. I'll probably start doodling animals or something in this new sketchbook that I have. I bought a micron pen set, so I'll start inking these suckers. I normally use a Rapidiograph Pen, but its a hassle cleaning and changing the nibs. I'll stop rambling and post the pages: