Cromwell
Page 106
by Antonia Fraser
Young, Peter, Marston Moor 1644. The Campaign and the Battle, 1970.
Yule, George, The Independents in the English Civil War, Cambridge, 1958.
Zagorin, Perez, The Court and the Country, 1969.
Zagorin, Perez, A History of Political Thought in the English Revolution, 1954.