Combined annual reports (Coal Mine Inspection Department)
Annual Report of the State Inspector of Coal Mines
Biennial report of the State Inspector of Coal Mines
Annual report of the State Inspector of Coal Mines
NR9/300.10/INTERNET
Library has 1954-1964.
Library has 1941/43-1950/53.
Library has 1913-1940.
Library has 1885/86-1911/12.
Library has 1884.