doi:10.7916/D8J38ZVVA sermon, preached September 20th, 1793; a day set apart, in the city of New-York, for public fasting, humiliation and prayer, on account of a malignant and mortal fever prevailing in the city of PhiladelphiaMason, John M. 1770-1829bookstextFast-day sermons--Early works to 1800.Presbyterian Church--Sermons--Early works to 1800.Sermons, American--Early works to 1800.Yellow fever--Pennsylvania--Philadelphia--Early works to 1800.