Preliminary report of the Miners' Phthisis Prevention Committee = Voorlopig rapport van de Kommissie ter voorkoming van mijntering.

  • South Africa. Miners' Phthisis Prevention Committee.
Date:
1912

Licence: In copyright

Credit: Preliminary report of the Miners' Phthisis Prevention Committee = Voorlopig rapport van de Kommissie ter voorkoming van mijntering. Source: Wellcome Collection.

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