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.
Licence: In copyright
Credit: Letters from Holly Butler (Dr. Watson's Secretary). Source: Wellcome Collection.
Provider: The original material is held at Cold Spring Harbor Laboratory Library and Archives. This catalogue is held by the Wellcome Library as part of Codebreakers: Makers of Modern Genetics.
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