Resources:
http://www.pinterest.com/naturalhairUK/natural-hair-comics/
https://www.pinterest.com/bestcurls/hair-illustration/
https://www.google.com/search?q=curly+hair+book+characters&biw=1280&bih=673&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiJqZbD5oPRAhXklVQKHZTmAWsQ_AUIBigB
https://www.google.com/search?q=curly+hair+illustration&biw=1280&bih=673&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjQ_9WG5YPRAhVErVQKHV59C4wQ_AUIBigB
https://www.google.com/search?q=curly+hair+illustration&biw=1280&bih=673&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjQ_9WG5YPRAhVErVQKHV59C4wQ_AUIBigB#tbm=isch&q=curly+hair+comics