Columbia subject headings:
Avery, Milton, 1885-1965--Exhibitions.
Gottlieb, Adolph, 1903-1974--Exhibitions.
Rothko, Mark, 1903-1970--Exhibitions.
Harvard subject headings:
Abstract expressionism--Exhibitions.
Avery, Milton, 1885-1965--Exhibitions.
Gottlieb, Adolph, 1903-1974--Exhibitions.
Rothko, Mark, 1903-1970--Exhibitions.
Princeton subject headings:
Avery, Milton, 1885-1965--Exhibitions.
Gottlieb, Adolph, 1903-1974--Exhibitions.
Rothko, Mark, 1903-1970--Exhibitions.