Columbia subject headings:
Alternative medicine--United States--History--19th century.
Quacks and quackery--United States--History--19th century.
United States--Social life and customs--19th century.
Harvard subject headings:
Alternative medicine--United States--History--19th century.
Quacks and quackery--United States--History--19th century.
United States--Social life and customs--19th century
Princeton subject headings:
Quacks and quackery--United States--History--19th century.
United States--Social life and customs--History--19th century.