Columbia subject headings:
German literature--18th century--History and criticism.
German literature--19th century--History and criticism.
Rivers in literature.
Harvard subject headings:
Goethe, Johann Wolfgang von, 1749-1832
Hölderlin, Friedrich, 1770-1843.
Klopstock, Friedrich Gottlieb, 1724-1803
Princeton subject headings:
German literature--18th century--History and criticism.
German literature--19th century--History and criticism.
Rivers in literature.