Psychology proved by physical science / abstracted from a paper by James Croll ; read to the Psychological Society of Great Britain, Thursday, March 15, 1877, by the President.

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Psychology proved by physical science / abstracted from a paper by James Croll ; read to the Psychological Society of Great Britain, Thursday, March 15, 1877, by the President. Public Domain Mark. Source: Wellcome Collection.

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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.