Columbia subject headings:
French literature--19th century--History and criticism.
Poor in literature.
Ragpickers in literature.
Ragpickers--France--Paris--History--19th century.
Ragpickers--France--Paris--Social conditions.
Working class in literature.
Harvard subject headings:
French literature--19th century--History and criticism
Poor in literature
Ragpickers in literature
Ragpickers--France--Paris--History--19th century.
Working class in literature
Princeton subject headings: