'Notes for infant book': largely material not used in the two infant papers in Developments

Date:
c.1920s-1950s
Reference:
PP/KLE/D.27

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

Credit: 'Notes for infant book': largely material not used in the two infant papers in Developments. Source: Wellcome Collection.

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