Gardiner's History of England (1649-1660).
*Ludlow's Memoirs (1640-1668).
*Carlyle's Life and Letters of Oliver Cromwell.
Carlyle's Hero Worship (Cromwell).
Guizot's Cromwell and the Commonwealth.
Morley's Cromwell.
Roosevelt's Cromwell.
Guizot's Richard Cromwell.
Guizot's Life of Monk.
Masson's Life and Times of Milton.
Bisset's Omitted Chapters in the History of England.
Pattison's Life of Milton.
Scott's Woodstock (Cromwell).