Columbia subject headings:
Harvard subject headings:
Blanquart-Evrard, Louis Désiré, 1802-1872.
Photographs--Publishing--France--History.
Photography--France--History--19th century.
Photography--Printing processes.
Publishers and publishing--France--Biography
Princeton subject headings:
Blanquart-Evrard, Louis Désiré, 1802-1872.
Photography--France--History--19th century.
Photography--Printing processes--History.