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I.—A BIOGRAPHICAL SKETCH OF AN INFANT Get access CHARLES DARWIN CHARLES DARWIN Search for other works by this author on: Oxford Academic Google Scholar Mind, Volume os-2, Issue 7, 1 July 1877, Pages 285–294, https://doi.org/10.1093/mind/os-2.7.285 Published: 01 July 1877
Charles Darwin (Mon,) studied this question.