Columbia subject headings:
Harvard subject headings:
Hoffmann, E. T. A. (Ernst Theodor Amadeus), 1776-1822--Congresses.
Hoffmann, E. T. A. (Ernst Theodor Amadeus), 1776-1822--Knowledge--Music.
Music and literature--Congresses.
Princeton subject headings:
Hoffmann, E. T. A. (Ernst Theodor Amadeus), 1776-1822--Contributions in music--Congresses.
Hoffmann, E. T. A. (Ernst Theodor Amadeus), 1776-1822--Criticism and interpretation--Congresses.
Music and literature.