Dia Art Foundation (Corporate Name)

Twombly, C. Cy Twombly, works on paper, 1957-1978, 1981 (a.e.) CIP galley t.p. (Dia Art Foundation, New York, N.Y.)

Louise Bourgeois, c1990: t.p. (Dia Art Foundation, Bridgehampton, NY) p. 18 (Dia Art Foundation, 155 Mercer St., New York, N.Y.; Dia Art Foundation, Corwith Ave., Bridgehampton, N.Y.)

Gregg Bordowitz, Sam Lewitt, Josephine Meckseper, Matt Mullican: artists on Hanne Darboven, 2016: title page (Dia Art Foundation)

Wikipedia, May 8, 2017 (Dia Art Foundation; Dia Art Foundation is a nonprofit organization that initiates, supports, presents, and preserves art projects; it was established in 1974 as the Lone Star Foundation by Philippa de Menil, the daughter of Houston arts patron Dominique de Menil and an heiress to the Schlumberger oil exploration fortune; art dealer Heiner Friedrich, Philippa's husband; and Helen Winkler, a Houston art historian; Dia holds a major collection of work by artists of the 1960s and 1970s; Dia additionally maintains long-term site-specific projects in the western United States, New York City, and on Long Island; Dia's permanent collection holdings include artworks by artists who came to prominence during the 1960s and 1970s, including Joseph Beuys, Dan Flavin, Donald Judd, Agnes Martin, and Andy Warhol; the art of this period represented a radical departure in artistic practice and is often large in scale; it is occasionally ephemeral or site-specific)