| Cromwell 400: An introduction to Oliver Cromwell, (1599-1658), his life and significance, highlighting organisations and events commemorating the 400th anniversary of his birth. |
| Cromwell's Report on the Battle of Naseby: Short article and facsimile of the actual report. |
| Eduard Bernstein: Cromwell and Communism (1895): Socialism And Democracy in the Great English Revolution. Online book. |
| Oliver Cromwell: Article on his life by David Cody, Associate Professor of English, Hartwick College. |
| Oliver Cromwell: Biographical information with links. |
| Oliver Cromwell: Brief biography. |
| Oliver Cromwell: Biography of Cromwell courtesy of the BBC. |
| Oliver Cromwell - Lord Protector of England (1599-1658): Article on his life and the British model of government of the time. |
| The British 17th Century Civil Wars: Commentary, biographies, chronology of the wars and related links. |
| The Cromwell Association: Study of Cromwell and the wider history of the period, which includes the Civil War, the Commonwealth and the Protectorate. |
| The Cromwellian Conquest of Ireland: Full text of article on Cromwell's Irish campaign by Basil P. Briguglio, Jr. . |
| The Era of Cromwell And The Commonwealth: The full text from The History of the Christian Church by Henry C. Sheldon, 1895. |
| The Pamphleteers Protestant Champion - Viewing Oliver Cromwell Through the Media of his Day: An essay by Kevin A. Creed. |
| Thomas Macauley - On Oliver Cromwell: Text from History of England, Volume I. |