Columbia subject headings:
Literature.
Santayana, George, 1863-1952--Knowledge and learning.
Santayana, George, 1863-1952--Poetic works.
Harvard subject headings:
Aesthetics, American.
Aesthetics, Modern--20th century.
Modernism (Literature)--United States
Poetics.
Santayana, George, 1863-1952--Aesthetics.
Santayana, George, 1863-1952--Knowledge--Literature.
Santayana, George, 1863-1952--Poetic works.
Princeton subject headings:
Aesthetics, American.
Aesthetics, Modern--20th century.
Modernism (Literature)--United States.
Poetics.
Santayana, George, 1863-1952--Aesthetics.