By His Excellency Joseph Reed, Esq; president, and the Supreme Executive Council of the Commonwealth of Pennsylvania, a proclamation : Whereas some ill-disposed persons, designing to disturb the peace and good order of the city and districts ... have published an inflammatory paper ... dated "Philadelphia, April 14, 1780, and signed "Slow and Sure," ... Given at Philadelphia, this sixteenth day of April, in the year of our Lord one thousand seven hundred and eighty. - Reed, Joseph (Printed by Hall and Sellers, 1780)