To the right honourable both Houses of the Parliament of England, assembled at Westminster : the humble petition of the Grand Jury at the assizes holden at Chelmsford, for the county of Essex, the 22 of March, 1647. as it was presented to both the honourable Houses of Parliament the 4. of May, 1648. by divers thousands of knights, gentlemen, and free-holders of the same county.. (Printed at London for Jospeph Hunscot,, 1648)