Columbia subject headings:
Augustal type--History.
Perrin, Louis, 1799-1865.
Harvard subject headings:
Augustal type--History.
Perrin, Louis, 1799-1865.
Type and type-founding--France--History--19th century.
Princeton subject headings:
Perrin, Louis, 1799-1865.
Printers--France--Lyon--History.