Columbia subject headings:
Knecht, Edouard, 1789-1870--Exhibitions.
Lithography--History--Exhibitions.
Harvard subject headings:
Knecht, Edouard, 1789-1870--Exhibitions.
Lithography, French--19th century--Exhibitions.
Lithography--History--Exhibitions.
Senefelder, Alois, 1771-1834--Exhibitions.
Princeton subject headings: