The psychology of laughter / by Boris Sidis.

  • Sidis, Boris, 1867-1923.
Date:
1913

Licence: Public Domain Mark

Credit: The psychology of laughter / by Boris Sidis. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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