More Observational Drawing

I would like to gain enough skill to use drawing as a second language for expressing ideas, feelings, and places. After so many years of playing with drawing, I feel as if I am learning skills I can use for this. After 9 classes, I can see that this is going to take a lot of practice! Still, our instructor has been taking us through some of the most challenging drawing problems: drapery, human heads, and the human figure. I still have a temptation to refer to a photo, but gradually, I am able to draw what I see without the aid of a reference image.