Columbia subject headings:
Composers--Austria--Biography.
Mahler, Gustav, 1860-1911.
Mahler, Gustav, 1860-1911. Songs.
Mahler, Gustav, 1860-1911. Symphonies.
Harvard subject headings:
Composers--Austria--Biography
Mahler, Gustav, 1860-1911.
Mahler, Gustav, 1860-1911. Songs.
Mahler, Gustav, 1860-1911. Symphonies.
Princeton subject headings: