Illinois vs. August Spies et al. trial evidence book. People's Exhibit 12.
Diagram and floor-plan of 442 Sedgwick, Chicago (Ill.)
1 photoprint: col.; 6 7/8 x 9 13/16 in.
Introduced into evidence during testimony of Felix V. Bushick (Vol. I p. 547-548), 1886 July 21.
Photograph of a diagram.