The Herbert Waide Hemphill, Jr. Collection of 18th, 19th, and 20th century American folk art : presented at Heritage Plantation of Sandwich in the Arts and Crafts Building, Sandwich, Massachusetts, May 1st through October 15th, 1974, and Columbus Museum of Arts and Crafts, Columbus, Georgia, opening the new Bradley Wing November 9th, 1974, through February 2nd, 1975