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Credit
The associative processes of the guinea pig : a study of the psychical development of an animal with a nervous system well medullated at birth : a dissertation submitted to the Faculties of the Graduate Schools of Arts, Literature and Science, in candidacy for the degree of doctor of philosophy (Department of Philosophy) / by Jessie Blount Allen. In copyright. Source: Wellcome Collection.
Provider
This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.