Columbia subject headings:
Mental illness--History--18th century.
Mental illness--History--19th century.
Mental illness--History--20th century.
Psychiatric epidemiology.
Harvard subject headings:
Mental illness--History--18th century.
Mental illness--History--19th century.
Mental illness--History--20th century.
Psychiatric epidemiology.
Princeton subject headings:
Mental illness--History--18th century.
Mental illness--History--19th century.
Mental illness--History--20th century.
Psychiatric epidemiology.