Columbia subject headings:
Folk songs, German--History and criticism.
Folk songs--Austria--History and criticism.
Folk songs--Austria--Vienna--History and criticism.
Harvard subject headings:
Folk songs, German--Germany--History and criticism.
Folk songs, German--History and criticism.
Folk-songs, German--Austria--History and criticism.
Folk-songs, German--Austria--Vienna--History and criticism.
Princeton subject headings:
Folk songs, German--History and criticism.
Folk-songs, Austrian--Austria--Vienna--History and criticism.
Folk-songs, Austrian--History and criticism