Columbia subject headings:
Painters--United States.
Painting, Abstract--United States.
Rothko, Mark, 1903-1970--Criticism and interpretation.
Harvard subject headings:
Rothko, Mark, 1903-1970--Criticism and interpretation.
Rothko, Mark, 1903-1970--Sources.
Spirituality in art.
Princeton subject headings:
Painters--United States.
Painting, Abstract--United States.
Rothko, Mark, 1903-1970--Criticism and interpretation.