Comprises (fols. 1-50) medical notes and diagrams, n.d. (fols. 51-63) case papers relating to individual patients, 1861-9 (fols. 64-82) letters to Sergeant, 1868-91, with (fol. 83) one professional letter concerning his own health, 1916 (fols. 84-96) printed leaflets, 1868-76, and n.d. [1917], including(fols. 86-93) Sergeant's printed application for the post…