Columbia subject headings:
Intellectuals--New York (State)--New York--History--20th century.
Socialists--New York (State)--New York--History--20th century.
Harvard subject headings:
Intellectuals--New York (State)--New York--History--20th century.
Socialists--New York (State)--New York--History--20th century.
Princeton subject headings:
Intellectuals--New York (State)--New York--History--20th century.
Socialists--New York (State)--New York--History--20th century.