Columbia subject headings:
Drawing.
Watercolor painting.
Harvard subject headings:
Princeton subject headings:
Art--Germany--Braunschweig--Catalogs.
Catalogs.
Drawing, European--Catalogs.
Drawing, German--Catalogs.
Hausmann, Bernhard, 1784-1874--Art collections--Catalogs.
Herzog Anton-Ulrich-Museum Braunschweig--Catalogs.
Watercolor painting, European--Catalogs.
Watercolor painting, German--Catalogs.