by Chicago, Milwaukee, and St. Paul Railway Company

1882

by Chicago, Rock Island, and Pacific Railway Company

1903

by Chicago and North Western Railway Company

1901

by Railway Training Institute, Chicago

1926

by Chicago (Ill.). Committee on Gas, Oil and Electric Light

1906

by Chicago (Ill.). City Council. Committee on Gas, Oil and Electric Light

1907

by Chicago (Ill.). City Council. Committee on Gas, Oil and Electric Light

1907

by Farm Implement News Co., Chicago

1921

by Western Society of Engineers (Chicago, Ill.)

1908

by LaSalle Extension University, Chicago. Traffic Research Staff

1926

by Chicago (Ill.)

1884

by United States. Post Office (Chicago, Ill.)

1926