Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
A 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 Philadelphia / By John Mitchel Mason. Public Domain Mark. Source: Wellcome Collection.