3 Pages in Charles Darwin's Library associated with "mental states - timidity"

  1. De la physionomie et des mouvements d'expression
    By: Gratiolet, Pierre.
    Publication info: Paris, J. Hetzel, 1865
    Pages: Page 17  
  2. The physiology or mechanism of blushing
    By: Burgess, Thomas H. (Thomas Henry),
    Publication info: London, John Churchill, 1839
    Pages: Page 187  Page 188