Tissot (Samuel Auguste) De la Santé des Gens de Lettres, first edition in French, half-title, woodcut device, occasional spotting, small tear to title, bookplate of ‘Lavington’ (likely from ‘East Lavington House', residence of the Wilberforce family in West-Sussex), contemporary French marbled sheep, gilt spine, a. e. r., marbled endpapers, little rubbed and scuffed, [Blake 452; Oberle, Bacchus 445; Osler & Wellcome Library list other editions], 8vo, Lausanne, 1768. *** Authorized French edition of ‘De valetudine litteratorum’ (1766) by Tissot (1728-1797), Swiss physician to Edward Gibbon, giving useful guidance on food and diet to the scholars and on the dangers facing people who dedicate too much time to study.