Columbia subject headings:
Mahler, Gustav, 1860-1911--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Symphonies--Scores.
Harvard subject headings:
Mahler, Gustav, 1860-1911--Manuscripts--Facsimiles.
Mahler, Gustav, 1860-1911. Symphonies, no. 2,
Music--Manuscripts--Facsimiles
Symphonies--Scores.
Princeton subject headings:
Mahler, Gustav, 1860-1911--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Scores.
Symphonies--Scores.
Symphonies.