- Oliver Cromwell and the Rule of the Puritans in England (Heroes of the Nations)
- Cromwell's Army: A History Of The English Soldier During The Civil Wars, The Commonwealth, And The Protectorate
- The Memoirs of Edmund Ludlow, Lieutenant-General of the Horse in the Army of the Commonwealth of England, 1625-1672, Volume 2
- The Teaching of History
- Soldiers of Parliament: The Creation and Formation of the New Model Army During the English Civil War-Cromwell's Army by C. H. Firth (Special Edition Including Illustrations by F. Grose) & the Soldier