Memoirs of the Duke of Marlborough with his original correspondence. 3 vols. William Coxe
An Account of the Conduct of the Dowager Duchess of Marlborough Sarah Jennings Churchill Marlborough
Sarah, Duchess of Marlborough Kathleen Campbell
Duchess Sarah: The Social History of the Times of Sarah Jennings Mrs. Arthur Colville
John and Sarah: Duke and Duchess of Marlborough Stuart J. Reid with introduction by the Duke of Marlborough
Sarah Churchill Frank Chancellor
Marlborough’s Duchess Louis Kronenberger
Robert Harley, Earl of Oxford: A Study of Politics and Letters in the Reign of Queen Anne E. S. Roscoe
Lives of the Queens of England Agnes Strickland
Anne of England M. R. Hopkinson
That Enchantress Doris Leslie
Notes on British History William Edwards
Journal to Stella Jonathan Swift, edited by Harold Williams
Three Eighteenth Century Figures Bonamy Dobrée
Letters of Two Queens Lt.-Col. The Hon. Benjamin Bathurst
British History John Wade
Dictionary of National Biography Edited by Sir Leslie Stephen and Sir Sidney Lee
The National and Domestic History of England William Hickman Smith Aubrey
Bishop Burnet’s History of His Own Time Gilbert Burnet
England Under the Stuarts G. M. Trevelyan
History of England G. M. Trevelyan
English Social History G. M. Trevelyan
England Under Queen Anne G. M. Trevelyan
Marlborough, His Life and Times Winston S. Churchill