An inaugural dissertation on the scarlet fever, attended with an ulcerated sore-throat [microform] : submitted to the examination of the Rev. John Ewing, S.T.P. provost; the trustees and medical professors of the University of Pennsylvania; for the degree of Doctor of Medicine, on the tenth day of May A.D. 1793. / By Matthias H. Williamson, of New-Jersey, member of the American Medical Society of Philadelphia. ; [Two lines of verse from Churchill]