The influence of defective physique and unfavourable home environment on the intelligence of school children : being a statistical examination of the London County Council pioneer school survey / by David Heron.
- Heron, David.
- Date:
- 1910
Licence: In copyright
Credit: The influence of defective physique and unfavourable home environment on the intelligence of school children : being a statistical examination of the London County Council pioneer school survey / by David Heron. Source: Wellcome Collection.
Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.
21/66 (page 17)