Columbia subject headings:
Literature.
Wagner, Richard, 1813-1883--Political and social views.
Wagner, Richard, 1813-1883.
Harvard subject headings:
Wagner, Richard, 1813-1883--Contributions in literature.
Wagner, Richard, 1813-1883--Literary art.
Wagner, Richard, 1813-1883--Political and social views.
Princeton subject headings:
Wagner, Richard, 1813-1883--Contributions in literature.
Wagner, Richard, 1813-1883--Political and social views.