1. An inaugural dissertation on the influenza: submitted to the examination of the Rev. John Ewing, S.T.P. provost ; the trustees and medical professors of the University of Pennsylvania, in order to obtain the degree of Doctor of Medicine, on the eighth day of May A.D. 1793 Author(s): Johnston, Robert, 1750-1808 Publication: Philadelphia : Printed by Johnston & Justice, at Franklin's Head, no. 41, Chesnut-Street, MDCCXCIII [1793] Subject(s): Influenza, Human