Charles E. Burchfield (1893-1967), August Caprice (Study for Midsummer Caprice), 1948; Conté crayon on paper, 11 x 17 1/16 inches; Burchfield Penney Art Center, Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Eastern Tiger Swallowtail (Study for Mid-June), 1948; Conté crayon on paper, 11 x 17 1/16 in.; Burchfield Penney Art Center, Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Altoona - 1936 / Winter 1943; commercially made unlined paper sketchbook, 10 1/8 x 7 7/8 inches; Burchfield Penney Art Center, Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Skippy, c. 1937; conté crayon on paper in bound sketchbook, 5 1/2 x 7 3/4 inches; Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Rowan Tree, American Service –Tree or American Mountain Ash, November 8, 1911; ink on paper, 8 7/8 x 7 inches; Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Northern Fox-Grape (Vitis labrusca), November 16, 1911; ink on paper, 8 7/8 x 7 inches; Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Soft Electric Light Color, Undated; graphite on paper, 11 x 17; Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Carlisle's cricket studies, 1917; Conté crayon on paper, 10 15/16 x 8 1/2 inches; Burchfield Penney Art Center, Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Untitled (June), ca. 1959; Conté crayon on paper, 11 x 17 inches; Burchfield Penney Art Center, Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006