N. Weiss: "Pour le Quatrième Centénaire de la Réformation," Bulletin de la Société de l'histoire du Protestantisme, 1917, pp. 178 ff.

K. D. Macmillan: Protestantism in Germany. 1917.

Georg von Below: Die Ursachen der Reformation, 1917.

H. M. Gwatkin: "Reformation," in Encyclopaedia of Religion and
Ethics
, 1917.

Alfred Fawkes: "Papacy," ibid.

Max Lenz: "Luthers weltgeschichtliche Stellung," Preussische
Jahrbücher
, clxx, 1917.

Chalfant Robinson: "Some Economic Aspects of the Protestant Reformation
Doctrines." Princeton Theological Review, October 1917.

Arthur Cushman McGiffert: "Luther and the Unfinished Reformation."
Address given at Union Seminary Oct. 31, 1917, published in the Union
Seminary Bulletin
, 1918.

Revue de Métaphysique et Morale, Sept.-Dec., 1918. Special number on the Reformation with important articles by C. A. Bernouilli, Imbart de la Tour, N. Weiss, F. Buisson, F. Watson, Frederic Palmer, E. Doumergue and others.

W. K. Boyd: "Political and Social Aspects of Luther's Message," South
Atlantic Quarterly
, Jan., 1918.