Columbia subject headings:
Marx, Karl, 1818-1883--Aesthetics.
Harvard subject headings:
Aesthetics, German--19th century.
Marx, Karl, 1818-1883--Aesthetics.
Marx, Karl, 1818-1883--Contributions in aesthetics.
Princeton subject headings:
Aesthetics, German--19th century.
Marx, Karl, 1818-1883--Aesthetics.