The Memoirs of Edmund Ludlow, Lieutenant-General of the Horse in the Army of the Commonwealth of England, 1625-1672; Volume 1Charles Harding Firth, Edmund Ludlow · First published 2015 · Latest edition 2018Open the Tome
Commentary on Macaulay's History of EnglandSir Charles Harding Firth · First published 2012Open the Tome
The Parallel between the English and American Civil WarsCharles Harding Firth · First published 2008Open the Tome
Oliver Cromwell and the Rule of the Puritans in EnglandCharles Harding Firth · First published 1924 · Latest edition 2004Open the Tome
Acts and ordinances of the Interregnum, 1642-1660Firth, Charles Harding Sir. · First published 1972Open the Tome
Last Years of the Protectorate 1656-1658Charles Harding Firth · First published 1909 · Latest edition 1964Open the Tome
The regimental history of Cromwell's armyFirth, Charles Harding Sir. · First published 1940Open the Tome
A commentary on Macaulay's History of EnglandFirth, Charles Harding Sir. · First published 1938Open the Tome
The life of William Cavendish, duke of NewcastleMargaret Cavendish, Duchess of Newcastle, Charles Harding Firth · First published 1886Open the Tome
