Columbia subject headings:
Austria--Social conditions.
Bohemia (Czech Republic)--Social conditions.
Italy--Social conditions.
Harvard subject headings:
Austria--Social conditions.
Bohemia (Czech Republic)--Social conditions.
Italy--Social conditions.
Princeton subject headings:
Austria--Economic conditions--19th century.
Bohemia (Czech Republic)--Economic conditions.
Lombardy (Italy)--Economic conditions.
Transportation--Austria--History.
Transportation--Czech Republic--Bohemia--History.
Transportation--Italy--Lombardy--History.