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

The anatomy and philosophy of expression
By: Bell, Charles, Sir,
Publication info: London, John Murray, 1844
Pages: Page 151
Elements of physiology
By: Müller, Johannes, - Baly, William,
Publication info: London, Taylor & Walton, 1838-1842
Volume: v.1
Pages: Page 818 Page 819