Larry's Toon Institute

I'll lump together Lessons from both that are on the same topic. Here's a lesson on Basic Head Construction from LTI.

These are really more notes than anything. He's very descriptive. I like that. Especially the part about the eyes. 

More on construction of heads. I'm nothing if thorough. : )

Here, he talks about more in-depth and detailed characters and how to go about achieving characters like that.