His Majesties message to both Houses of Parliament, of the eleventh of Iuly. 1642. : Together with His Majesties proclamation declaring His Majesties purpose to go in his royall person to Hull: and the true occasion and end thereof. - England and Wales. Sovereign (1625-1649 : Charles I); Charles I, King of England, 1600-1649 (Printed by Robert Barker, printer to the Kings most Excellent Majestie: and by the assignes of John Bill, 1642)
The king's proclamation is dated 8 July 1642.