1. An inaugural dissertation on camphor: submitted to the examination of the Rev. John Ewing, S.S.T.P. provost ; the trustees & medical faculty of the University of Pennsylvania, on the 12th of May, 1797 ; for the degree of Doctor of Medicine Author(s): Church, John, 1774-1806 Publication: Philadelphia : Printed by John Thompson, 1797 Subject(s): Camphor -- therapeutic use