http://dewey.info/scheme/a14/ en
780.9 Historical, geographic, persons treatment
780.92 Persons associated with music
http://dewey.info/scheme/a14/ vi
780.9 Lịch sử, địa lý, con người
780.92 Con người có liên quan tới âm nhạc
http://dewey.info/scheme/a14/ it
780.9 Storia, geografia, persone
780.92 Persone connesse alla musica
http://dewey.info/scheme/edition/e23/ en
780.9 History, geographic treatment, biography
780.92 Biography
780.922 Composers--collected biography
Dewey Decimal Classification
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