By the Honourable George Thomas, Esq; lieutenant governor, and commander in chief, of the province of Pennsylvania ... a proclamation : ... Thursday, the twenty-fourth day of this instant July, be observed ... as a day of publick thanksgiving ... Given under my hand, and the great seal of the province of Pennsylvania, at Philadelphia, this fourteenth day of July ... one thousand seven hundred and forty-six. - Thomas, George, 1695?-1774 (Early American imprints. Evans (1639-1800) ;)