Columbia subject headings:
Harvard subject headings:
Design--United States--History--20th century--Exhibitions.
Design--United States--United States--History--20th century--Exhibitions.
Vignelli, Lella--Exhibitions.
Vignelli, Massimo--Exhibitions.
Princeton subject headings:
Design--United States--History--20th century--Exhibitions.
Vignelli, Lella--Exhibitions.
Vignelli, Massimo--Exhibitions.