Cromwell ratified a modified Humble Petition and Advice and said that he would nominate his successor as Lord Protector. References Sources Coward, Barry, The Cromwellian Protectorate New frontiers in history, Manchester University Press, 2002 0719043174, 9780719043178 Fritze, Ronald H. & Robison, William B. Historical dictionary of Stuart England, 1603-1689, Greenwood Publishing Group, 1996. , Lee, Sidney (1903), Dictionary of National Biography Index and Epitome Noble, Mark. Memoirs of the protectoral-house of Cromwell: deduced from an early period, and continued down to the present time; ... collected chiefly from original papers and records, ... together with an appendix: ... Embellished with elegant engravings. Volume 1, The third edition, Printed for G. G. J. and J. Robinson, 1787. page 416. 1657 in law 1657 in England English laws Political history of England Defunct constitutions Republicanism in England Oliver Cromwell Constitution of the United Kingdom Government of England 1657 in politics Legal history of England 17th-century documents Richard Cromwell