Charles E. Burchfield (1893-1967), Winter to Spring, study with notations, c. 1948-49; Conté crayon on paper, 9 1/2 x 19 15/16 inches (Frame: 19 1/4 x 20 inches); Burchfield Penney Art Center, Gift of James Sedwick, In Memory of Marcella Stocker Sedwick, 1991