Columbia subject headings:
Modernism (Art)--Historiography--Congresses.
Harvard subject headings:
Einstein, Carl, 1885-1940--Congresses.
Klee, Paul, 1879-1940--Congresses.
Modernism (Aesthetics)--Historiography--Congresses.
Modernism (Art)--Historiography--Congresses.
Modernism (Literature)--Historiography--Congresses.
Walser, Robert, 1878-1956--Congresses.
Princeton subject headings:
Modernism (Art)--Historiography--Congresses.