Columbia subject headings:
Benjamin, Walter, 1892-1940--Criticism and interpretation.
Harvard subject headings:
Benjamin, Walter, 1892-1940--Contributions in criticism.
Benjamin, Walter, 1892-1940--Knowledge--Mass media.
Criticism--History--20th century
Mass media--History--20th century.
Princeton subject headings:
Benjamin, Walter, 1892-1940--Criticism and interpretation.