Columbia subject headings:
Harvard subject headings:
Mahler, Gustav, 1860-1911--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles
Symphonies--Scores.
Princeton subject headings:
Mahler, Gustav, 1860-1911--Manuscripts--Facsimiles.
Scores.
Symphonies--Scores.
Symphonies.