On the state of the mind during sleep, etc. : a paper read to the physiological section of the British Association, on the sixth of September, 1852 / by R. Fowler.

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On the state of the mind during sleep, etc. : a paper read to the physiological section of the British Association, on the sixth of September, 1852 / by R. Fowler. Public Domain Mark. Source: Wellcome Collection.