Columbia subject headings:
Folk songs, Estonian--History and criticism.
Folk songs, Estonian.
Folk songs, Latvian--History and criticism.
Folk songs, Latvian.
Folk songs, Lithuanian--History and criticism.
Folk songs, Lithuanian.
Herder, Johann Gottfried, 1744-1803--Knowledge and learning.
Harvard subject headings:
Folk songs, Estonian--History and criticism.
Folk songs, Latvian--History and criticism
Folk songs, Lithuanian--History and criticism.
Herder, Johann Gottfried, 1744-1803--Knowledge--Folk songs, Estonian.
Herder, Johann Gottfried, 1744-1803--Knowledge--Folk songs, Latvian.
Herder, Johann Gottfried, 1744-1803--Knowledge--Folk songs, Lithuanian.
Princeton subject headings: