O. Ritschl: Dogmengeschichte des Protestantismus, i, ii, Hälfte, 1912.
A. C. McGiffert: Protestant Thought before Kant. 1911.
J. Gottschick: Luther's Theologie. 1914.
Francis Bacon: Novum Organum, Bk. I, aphorisms xv, lxv, and lxxix;
Essays i, (Truth), iii, (of Unity in Religion), xxxv, (Prophecy).
Advancement of Learning, Bk. ix.
Montaigne's Essays, passim (numerous editions and excellent English translation by Florio).
W. Lyly: Euphues and Atheos (edited by E. Arber, 1904).
R. Ascham: The Schoolmaster. 1761.
Janssen-Pastor[20] ii, 461f (on the Godless Painters of Nuremberg; cf. also M. Thausing: A Dürer, translated by F. A. Eaton, 1882, ii. 248 f.)
François Rabelais: Oeuvres (numerous editions and translations).
J. M. Robertson: A Short History of Freethought.[2] 2 vols. 1906.