Columbia subject headings:
Lyon (France)--Social conditions.
Social mobility--France--Lyon--History.
Harvard subject headings:
Lyon (France)--Social conditions.
Social mobility.
Princeton subject headings:
Generations--France--Lyon--History.
Professions--France--Lyon--Sociological aspects--History.
Social mobility--France--Lyon--History--19th century.
Social mobility--France--Lyon--History--20th century.