More heads are better

I took a few books out of the library in order to polish up some sketching skills.  I realize that on some level I have a really difficult time drawing heads and bodies entirely from memory. Even more difficult is drawing beautiful women. I do a lot better looking at references. I need some models to come over;P

I am going to keep on my path to improvement, as much as it changes every day in terms of subject matter that interests me.... I'm still moving my pencil across the sheet.

Here are some examples from a book on the head and figure.

In contrast, here are some deer drawn from a reference photo. The blue pencil shows my construction method.  These are loose but feel complete.