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Historical Statistics of the Australian Economy
McLean, Ian W., (2005)
International historical statistics: the Americas and Australasia
Mitchell, Brian R., (1983)
The illustrated book of world rankings
Kurian, George Thomas, (2001)
The doctrine of rationalisation
Mauldon, Frank Richard Edward, (1931)
The problem of Australian coal
Mauldon, Frank Richard Edward, (1928)
Report of the Royal Commission on the Coal Industry [Australien] : Kritik
Mauldon, Frank Richard Edward, (1930)