Fitch, J. A. 1. (1911). Old age at forty: An exact account of the terrible strain put on workers in the steel industry -- a twelve-hour day for thousands.

Fitch, John A. 1881-1959. Old Age At Forty: An Exact Account of the Terrible Strain Put On Workers in the Steel Industry -- a Twelve-hour Day for Thousands. 1911.

Fitch, John A. 1881-1959. Old Age At Forty: An Exact Account of the Terrible Strain Put On Workers in the Steel Industry -- a Twelve-hour Day for Thousands. 1911.