G. Christie: The Influence of Letters on the Scottish Reformation. 1908.

A. Lang: John Knox and the Reformation. 1905.

J. Crook: John Knox the Reformer. 1907.

A. B. Hart, "John Knox," in American Historical Review, xiii, 259-80.
(Brilliant character study).

R. S. Rait: "John Knox," in Quarterly Review, vol. 205, 1906.

A. Lang: The Mystery of Mary Stuart. 1902.

Lady Blennerhassett: Maria Stuart, Königin von Schottland. 1907.

A. Lang: A History of Scotland. 4 vols. 1900-7.

P. Hume Brown: John Knox. 2 vols. 1895.

H. Cowan: John Knox. 1905.