A form of common prayer, together with an order of fasting, for the averting of Gods heavy visitation upon many places of this realm [electronic resource] : the fast to be observ'd within the cities of London and Westminster, and places adjacent, on Wednesday the twelfth of this instant July, and both there, and in all parts of this realm, on the first Wednesday in every moneth : and the prayers to be read on Wednesday in every week during this visitation / set forth by His Majesties authority.