Columbia subject headings:
Coaching (Transportation)--United States--History--18th century.
Coaching (Transportation)--United States--History--19th century.
Harvard subject headings:
Coaching (Transportation)--United States--History--18th century.
Coaching (Transportation)--United States--History--19th century.
Princeton subject headings:
Coaching (Transportation)--United States--History--18th century.
Coaching (Transportation)--United States--History--19th century.