Hey man, you’re doing great, but I have to be the bearer of some severe crit.
Your head looks great from straight on and from profile view. However, your 3/4 views are’nt accurate at all. It almost look like her forehead is too big, ie. it comes foreward too far and same with the whole jaw area. The cheek bones too are way too high.
to a lessor extend for me, the ears.
I admire what you’ve done with the two angles at your disposal (front and side views), but I think if you can search for some more ref pics off the net… especially from more angles, you’ll be able to model her more accurate.
Hope this wasn’t too much of a bubble popper, I am just giving you what you’ve asked for.