Columbia subject headings:
LeWitt, Sol, 1928-2007--Catalogs.
Posters--20th century--Catalogs.
Harvard subject headings:
LeWitt, Sol, 1928-2007
Printed ephemera
Princeton subject headings:
Catalogs.
LeWitt, Sol, 1928-2007--Catalogs.
Posters--20th century--Catalogs.