Charles E. Burchfield (1893-1967), Study for Pussy Willows, 1936; Conté crayon on paper, in composition book titled “DEC- 1935 – JAN. 1936”, 10 ¼ x 7 ¾ inches (page); Burchfield Penney Art Center, Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006