Volume 1-2: "Together with the general railroad laws of Michigan."
Supplementary reports, issued separately, contain reports of individual railroads.
In September, 1907, the office of Commissioner of Railroads was abolished by law to be succeeded by a Railroad Commission. The thirty-fifth and last report of the former is also the first report of the Commission.
The Michigan Railroad Commission, covering 1907-1918, was succeeded by Michigan. Public Utilities Commission. Annual report, 1919-1925.