found: Notes on Bob and Nancy, 1976:t.p. (Marcia Hafif)
found: LC database, 6-28-94(hdg.: Hafif, Marcia, 1929- )
found: Marcia Hafif, 2015:title page (Marcia Hafif)
found: Author's personal website, via WWW, January 11, 2016(1929, Born Pomona, California; Marcia, Hafif, Paintings)
found: New York times WWW site, viewed May 4, 2018(in obituary published May 2: Marcia Hafif; b. Marcia Jean Woods, Aug. 15, 1929, Pomona, Calif.; m. Herbert Hafif (div.); d. Apr. 17, aged 88; artist best known for monochromatic paintings that explored the intersection of color, brush stroke, surface, and light)
