Content advisory
This digitised material is free to access, but contains information or visuals that may:
- include personal details of living individuals
- be upsetting or distressing
- be explicit or graphic
- include objects and images of objects decontextualised in a way that is offensive to the originating culture.
International Union for the Scientific Investigation of Population Problems
- Date:
- 1932-1937
- Reference:
- SA/EUG/D.110
Licence: In copyright
Credit: International Union for the Scientific Investigation of Population Problems. Source: Wellcome Collection.
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