Columbia subject headings:
Populism in art--Congresses.
Populism in literature--Congresses.
Populism--History--Congresses.
Harvard subject headings:
Populism in literature--Congresses.
Populism--History--Congresses.
Populism--In art--Congresses.
Princeton subject headings:
Populism in literature--Congresses.
Populism--History--Congresses.
Populism--In art--Congresses.