Colorado Fuel and Iron Company & Colorado Fuel and Iron Company. Medical Dept. (1915). Industrial bulletin. The Company.
Lua i Stíl Chicago (17ú heag.)Colorado Fuel and Iron Company agus Colorado Fuel and Iron Company. Medical Dept. Industrial Bulletin. Denver, Colo. ; Pueblo, Colo.: The Company, 1915.
Lua MLA (8ú heag.)Colorado Fuel and Iron Company agus Colorado Fuel and Iron Company. Medical Dept. Industrial Bulletin. The Company, 1915.
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