I wish I was better at taking notes from references! I just use them to recreate, this seems really helpful ^^
Yüz cizim teknigi.
Drawing the human face - Woman frontal view - By Cuong Nguyen
Drawing the human face - Three quarter view - by Cuong Nguyen
Drawing the human face - Young man in profile - by Cuong Nguyen
Drawing the human face - Three quarter view - Looking up - By Cuong Nguyen
ink painting--Anna Selezneva on Behance
There is so much information communicated with relatively few details.