Ketchum, William C., Jr. American folk art / by William C. Ketchum, Jr. - New York, N.Y. : Smithmark, c1995. - 142 p. : col. illus. ; 34 cm. ISBN: 0831780983 LCCN: 950067561 Subjects--Topical Terms: Folk art--History.--United States--20th centuryPrimitivism in art.Art, American.