Fienup-Riordan, A. (1990). Eskimo essays: yup'ik lives and how we see them. Rutgers University Press and London
The author, explains to us the loss and the remembrance of masks. She explains what the symbols on the masks are, especially the circle and dot motif. She explains that this specific symbol is not just on masks, it is also on dance fans, story knife and many more.