Columbia subject headings:
Communication and culture--France--History--19th century.
Oral communication--France--History--19th century.
Press and politics--France--History--19th century.
Press--France--History--19th century.
Harvard subject headings:
Communication and culture--France--History--19th century.
Oral communication--France--History--19th century.
Press and politics--France--History--19th century.
Press--France--History--19th century.
Songs--France--History--19th century.
Princeton subject headings:
Communication and culture--France--History--19th century.
Oral communication--France--History--19th century.
Press and politics--France--History--19th century.
Press--France--History--19th century.