Columbia subject headings:
Scotland--Economic conditions.
Scotland--History--19th century.
Scotland--History--20th century.
Scotland--Social conditions.
Harvard subject headings:
Scotland--History--19th century.
Scotland--History--20th century.
Scotland--Social life and customs--19th century.
Princeton subject headings:
Scotland--Economic conditions.
Scotland--History--19th century.
Scotland--History--20th century.
Scotland--Social conditions.