A modern consciousness : D. J. De Pree ; Florence Knoll. [publ. on the occasion of an exhibition at the Renwick Gallery of the National Collection of Fine Arts, Smithsonian Institution, Washington, D.C., April 11 - November 9, 1975 and the Cranbrook Academy of Art Museum, Bloomfield Hills, Michigan, November 30, 1975 - January 11, 1976]