Columbia subject headings:
Hölderlin, Friedrich, 1770-1843--Criticism and interpretation--Congresses.
Harvard subject headings:
German poetry--19th century--History and criticism--Congresses.
Hölderlin, Friedrich, 1770-1843--Appreciation--Congresses.
Hölderlin, Friedrich, 1770-1843--Criticism and interpretation--Congresses.
Princeton subject headings:
Hölderlin, Friedrich, 1770-1843--Criticism and interpretation--Congresses.