Lubin, I. (1924). Miners' wages and the cost of coal; an inquiry into the wages system in the bituminous coal industry and its effects on coal costs and coal conservation. McGraw-Hill book company.

Lubin, Isador. Miners' Wages and the Cost of Coal; an Inquiry into the Wages System in the Bituminous Coal Industry and Its Effects on Coal Costs and Coal Conservation. New York: McGraw-Hill book company, 1924.

Lubin, Isador. Miners' Wages and the Cost of Coal; an Inquiry into the Wages System in the Bituminous Coal Industry and Its Effects on Coal Costs and Coal Conservation. McGraw-Hill book company, 1924.