An experiment with supervisory training / by John D. Handyside.
- Handyside, John, 1883-1916.
- Date:
- 1956
Licence: In copyright
Credit: An experiment with supervisory training / by John D. Handyside. Source: Wellcome Collection.
46/56 (page 40)
Licence: In copyright
Credit: An experiment with supervisory training / by John D. Handyside. Source: Wellcome Collection.