Charles E. Burchfield (1893-1967), Remember that Sibelius wrote his 5th Symphony during the First World War., Undated, possibly circa 1963; Text, Conté crayon on paper, 11 x 11 ¾ inches; Burchfield Penney Art Center, Charles E. Burchfield Foundation Archives Gift of the Charles E. Burchfield Foundation, 2006