Columbia subject headings:
Painting, German--19th century.
Spitzweg, Karl, 1808-1885--Criticism and interpretation.
Spitzweg, Karl, 1808-1885--Friends and associates.
Harvard subject headings:
Painting, German--19th century--Catalogs.
Spitzweg, Karl, 1808-1885--Catalogs.
Princeton subject headings:
Catalogs.
Painting, German--19th century--Catalogs.
Spitzweg, Karl, 1808-1885--Catalogs.