Lot Essay
cf. Robert Twombley, Louis Sullivan: His Life and Work, 1989, p. 317; Chapman, Jackson and Huntley, Louis H. Sullivan Architectural Ornament Collection, Southern Illinois University of Edwardsville, 1981, fig. 34 for an illustration of the design of the frieze; and John Vinci, The Art Institute of Chicago: The Stock Exchange Trading Room, 1977, pp. 22-23 showing in situ photographs of the frieze and p. 20 for a discussion of its design.