Essays on the anatomy of expression in painting (1806)
Bell, Charles, Sir, 1774-1842 · London : Printed for Longman, Hurst, Rees, and Orme · leaf 161
ND DISCONTENT. In joy the eyebrow is raised moderately, but without any angula- rity ; the forehead is smooth; the eye full, lively, and sparkling ; the nostril is moderately inflated, and a smile is on the lips. In all the exhilarating emotions, the eyebrow, the eyelids, the nostril, the angle of… … ^vS^-
Facial Expression · Anatomy, Artistic
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.