Digging for Clay in the Archives of American Art, Smithsonian Institution - William Wyman
Letter from ceramist Marilyn Levine (b. 1935) to Wyman, responding to his request for “process shots,” August 8, 1978.

Marilyn Levine to William Wyman, 1978 Aug. 8. Letter; handwritten; 34 x 28 cm. William Wyman papers, 1930-1982. Archives of American Art.