Environment and efficiency : a study in the records of industrial schools and orphanages / by Mary Horner Thomson.

  • Thomson, Mary Horner.
Date:
1912

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Environment and efficiency : a study in the records of industrial schools and orphanages / by Mary Horner Thomson. Source: Wellcome Collection.

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