Columbia subject headings:
Intercountry marriage.
Marriage--Great Britain--History--19th century.
Upper class--Great Britain--History--19th century.
Upper class--United States--History--19th century.
Harvard subject headings:
Intercountry marriage.
Marriage--Great Britain--History--19th century.
Upper class--Great Britain--History--19th century.
Upper class--United States--History--19th century.
Princeton subject headings:
Intercountry marriage.
Marriage--Great Britain--History--19th century.
Upper class--Great Britain--History--19th century.
Upper class--United States--History--19th century.