Delaware-Seneca Building, Chicago, IL, Elevation Looking West, c. 1974
Graphite on paper
86.5 x 55.5 cm
The Archive of Bertrand Goldberg, gifted by his children through his estate, RX23664/34.10
Barrow, Heather and Lori Hanna Boyer. Bertrand Goldberg Collection Finding Aid. (The Art Institute of Chicago, 2007), p. 19.