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Determinants in the adoption of a non-labor-substitution technology : mechanical ventilation in West Virginia coal mines, 1898–1907
Silvestre Rodríguez, Javier, (2023)
Competition in the Midwestern coal industry
Moyer, Reed, (1964)
Black coal miners in the United States
Nyden, Paul, (1974)
Wage Policy under the Walsh-Healey Public Contracts Act : a critical review
Christenson, Carroll Lawrence, (1966)
Economic redevelopment in bituminous coal : the special case of technological advance in United States coal mines, 1930 - 1960
Christenson, Carroll Lawrence, (1962)
Economic theory in review
Earley, James Stainforth, (1950)