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William Penn: No Cross, No Crown.
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Caroline E. Stephen: Quaker Strongholds. Headley, 1907.
John Wilhelm Rowntree: Essays and Addresses. Headley, 1905.
T. Edmund Harvey: The Rise of the Quakers. Headley, 1905.
Elizabeth B. Emmott: The Story of Quakerism. Headley, 1908.
Allen C. Thomas: The History of the Society of Friends in America.
Rufus M. Jones: The Quakers in the American Colonies. Macmillan, 1912.
Rufus M. Jones: Social Law in the Spiritual World. Headley, 1905.
Rufus M. Jones: Studies in Mystical Religion. Macmillan, 1909.
Rufus M. Jones: Children of the Light (Anthology of Quaker Mystics). Headley, 1909.
Evelyn Underhill: Mysticism. Macmillan, 1911.
William C. Braithwaite: The Beginnings of Quakerism. Macmillan, 1912.
William C. Braithwaite: Spiritual Guidance in Quaker Experience. Headley, 1909.
Edward Grubb: Authority and the Light Within. Clarke, 1908.
The Book of Discipline. Successive editions from 1783.
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