Biographies:
* The Life of the Emperor Charles V (1946) - A Pulitzer Prize-winning biography of Charles V, Holy Roman Emperor.
* The Life of Voltaire (1961) - A comprehensive biography of the French Enlightenment philosopher.
* The Life of Queen Victoria (1962) - A well-regarded biography of Queen Victoria.
Other Works:
* The Seven Wonders of the World (1949) - A book on the historical context of the Seven Wonders of the Ancient World.
* The Italian Front (1936) - A non-fiction account of the Italian front during World War I.
* The Life of Saint Teresa of Avila (1957) - A biography of the Spanish mystic and reformer.
She also wrote several other books on historical subjects, including biographies of Louis XIV, Elizabeth I, and Joan of Arc.
Sylvia Saunders Sprigge's work is known for its meticulous research, clear writing style, and insightful analysis of complex historical figures and events.