Columbia subject headings:
Artists' books--Exhibitions.
English language--Alphabet--Exhibitions.
Ruscha, Edward--Exhibitions.
Words in art--Exhibitions.
X (The letter)--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Artists' books--Exhibitions.
English language--Alphabet--Exhibitions.
Ruscha, Edward--Exhibitions.
Words in art--Exhibitions.
X (The letter)--Exhibitions.