Columbia subject headings:
Harvard subject headings:
Hölderlin, Friedrich, 1770-1843--Travel--France.
Hölderlin, Friedrich, 1770-1843--Travel--Germany.
Knubben, Thomas--Travel--France.
Knubben, Thomas--Travel--Germany.
Princeton subject headings:
Hölderlin, Friedrich, 1770-1843--Travel--France.
Hölderlin, Friedrich, 1770-1843--Travel--Germany.
Knubben, Thomas--Travel--France.
Knubben, Thomas--Travel--Germany.