found: Fondation Beyeler, c1997: verso t.p. (The Fondation Beyeler, located in Riehen, opened Oct. 21, 1997)
found: Beyeler Collection, c1989 : p. 41 (In 1982 the private Beyeler Collection was converted into the Beyeler Foundation)
found: Fondation Beyeler WWW homepage, Jan. 22, 1998 (Fondation Beyeler, Baselstrasse 77, 4125, Riehen/Basel; houses the Sammlung Beyeler, the art collection belonging to Hildy and Ernst Beyeler)
found: Museums of the world, 1997: p. 347 ([under Riehen]: Fondation Beyeler)
found: RLIN, Jan. 22, 1998 (hdg.: Stiftung Beyeler; no usage shown)
found: Sammlung Beyeler, 2007: colophon (Beyeler Museum AG)