Essential Papers on Depression gathers the classic articles on the subject of depression. It includes pieces by such core figures as Karl Abraham, Sigmund Freud, Frieda Fromm-Reichmann, Martin E. P. Seligman, Aaron T. Beck, and George Winokur. The volume is broken into four parts: Psychodynamic Approaches; Behavioral and Cognitive Approaches; Interpersonal and Social Approaches; and Biomedical Approaches.