- Libro electrónicoThe Iron Boys as Foremen or, Heading the Diamond Drill ShiftJames R. Mears
- Libro electrónicoThe Iron Boys in the Mines or, Starting at the Bottom of the ShaftJames R. Mears
- Libro electrónicoThe Iron Boys on the Ore Boats or, Roughing It on the Great LakesJames R. Mears
- Libro electrónicoThe Iron Boys in the Steel Mills or, Beginning Anew in the Cinder PitsJames R. Mears