Grief (novel)
During the course of the novel, the ideas of the stages of grief are introduced. The stages are denial, anger, depression, and acceptance. The narrator, as well as other characters in the story, slowly passes through these stages in trying to deal with death.
Thanatology
Elisabeth Kübler-Ross' five stages of coping with terminal illness are: denial, anger, bargaining, depression, and acceptance. Many thanatologists accept these stages but believe that they do not occur in any particular order or have any definite duration.