Columbia subject headings:
Ives, Charles, 1874-1954--Aesthetics.
Ives, Charles, 1874-1954. Essays before a sonata.
Ives, Charles, 1874-1954. Sonatas, no. 2.
Harvard subject headings:
Ives, Charles, 1874-1954. Essays before a sonata.
Ives, Charles, 1874-1954. Sonatas, no. 2.
Princeton subject headings:
Ives, Charles, 1874-1954. Essays before a sonata.
Ives, Charles, 1874-1954. Sonatas, no. 2