1917 graphite on paper 9 3/8 x 6 1/8 Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006
Charles E. Burchfield (1893-1967), Conventions for Abstract Thoughts, 1917; Gray cardboard, brown paper tape and brass fasteners; Charles E. Burchfield Foundation Archives, Gift of the Charles E. Burchfield Foundation, 2006