Random House (manic-depressive illness, see bipolar disorder. Also called manic-depression)

Am. heritage dict. (manic-depressive illness. Also called bipolar disorder)

Thes. psych. index terms (Manic depression UF Bipolar depression; Manic depressive psychosis)

Readers' Guide (Manic depression see Depression, Mental)

Americana (manic-depressive illness)

Acad. Am. encyc.: v. 2, p. 277 (Bipolar disorder, once known as manic-depressive psychosis)

New Britannica, 1995: index (Manic-depressive psychosis or bipolar disorder)

Mayo Clinic family health book, 1990: p. 1039 (manic-depressive illness)

MESH (Bipolar disorder x Depression, Bipolar; Manic-Depressive psychosis)

Kaplan, H. Comp. gloss. psychiatry and psychology (manic-depressive illness-replaced by bipolar disorder in DSM III R)

MeSH browser, May 31, 2022 (Bipolar Disorder. UF Affective Psychosis, Bipolar; Bipolar Mood Disorder; Depression, Bipolar; Manic Depression; Manic Disorder; Manic-Depressive Psychosis; Psychoses, Manic-Depressive; Psychosis, Manic-Depressive. SN A major affective disorder marked by severe mood swings (manic or major depressive episodes) and a tendency to remission and recurrence. In MeSH Tree Structures under Bipolar and Related Disorders, which is under Mental Disorders)

WebMD, May 31, 2022: Bipolar Disorder (Bipolar disorder was formerly called manic depression. It is a form of major affective disorder, or mood disorder, defined by manic or hypomanic episodes (changes from one's normal mood accompanied by high energy states); patients with bipolar disorder)

National Institute of Mental Health website, May 31, 2022 (Bipolar disorder (formerly called manic-depressive illness or manic depression) is a mental disorder that causes unusual shifts in mood, energy, activity levels, concentration, and the ability to carry out day-to-day tasks; people with bipolar disorder)

Heading changed from Manic-depressive illness to Bipolar disorder in November 2022.