The psychology of reasoning / by W.B. Pillsbury.
- Pillsbury, W. B. (Walter Bowers), 1872-1960.
- Date:
- 1910
Licence: In copyright
Credit: The psychology of reasoning / by W.B. Pillsbury. Source: Wellcome Collection.
20/328 (page 6)
Licence: In copyright
Credit: The psychology of reasoning / by W.B. Pillsbury. Source: Wellcome Collection.