E. G. Gardner, _Joachim of Flora and the Everlasting Gospel in Franciscan Essays_ (1912). VII ON SORCERY AND WITCHCRAFT The principal authorities are: Sprenger’s _Malleus Maleficarum_ and F. Bartholomew de Spina’s _De Strigibus_. Both are included in _Malleorum quorundam Maleficarum tam veterum quam recentiorum authorum tomi duo_ (Frankfort, 1582). In Zilettus (_q.v. supra_) there is Bernard of Como’s _De Strigibus_. See also W. E. H. Lecky’s _History of Rationalism in Europe_ and authorities there cited. VIII FOR WYCLIFFE, HUS AND THE COUNCIL OF CONSTANCE The principal works of Wycliffe are published by the Wyclif Society. See especially _De Dominio Divino_ (ed. R. L. Poole, 1890); _Tract. de Civili dominio liber primus_ (ed. R. L. Poole, 1885); _De Eucharistia_ (1892); _De Potestate Pape_ (ed. J. Loserth, 1907). See also _Fasciculi Zizaniorum Magistri Johannis Wyclif_ (Rolls series, ed. W. W. Shirley, 1858). See also the _Chronicon Angliae_ (ed. Maunde Thompson, 1874); _Chronicon_ of Henry Knighton (ed. Lumby, 1895), vol. ii; D. Wilkins, _Concilia M. Britanniae et Hiberniae_ (1737), vol. iii. The _Letters of Hus_ are edited by H. B. Workman and R. M. Pope (1904). Invaluable is F. Palacky’s _Documenta Mag. Joannis Hus_ (Prague, 1869). For the works of Gerson and D’Ailly see J. Gerson, _Opera_ (Antwerp, 1706). Works of D’Ailly are included in this volume. See also Theodoric de Niem, _De Schismate_ (Leipzig, 1890). The works of Marsiglio of Padua and of William of Ockham are in Melchior Goldast, _Monarchia S. Romani Imperii_ (Hanover, Frankfort, 1611-14), vol. ii. They are summarized in S. Riezler, _Die literarischen Widersacher der Päpste zur Zeit Ludwig des Baiers_ (1874). See also the following relating to Bohemia or the Council of Constance: Aeneas Sylvius, _Historia Bohemica_ (1453). Etienne Baluze, _Vitae Paparum Avenionensium_ (Paris, 1693). H. v. der Hardt, _Magnum oecumenicum Constantiense Concilium_ (Frankfort, 1697-1742). E. Martène and V. Durand, _Veterum Scriptorum et monumentorum amplissima collectio_ (Paris, 1724-33), vol. vii, pp. 425-1078. The following also are useful: N. Valois, _La France et le Grand Schisme d’occident_ (Paris, 1896-1902). J. B. Schwab, _J. Gerson_ (Würzburg, 1858). B. Labanca, _Marsiglio da Padova_ (Padua, 1882). H. B. Workman, _The Dawn of the Reformation: the Age of Wyclif_ (1901); _The Dawn of the Reformation: the Age of Hus_ (1902). J. Lewis, _History of the Life and Sufferings of John Wicliffe_ (1720). J. Loserth, _Wyclif and Hus_ (tr. W. J. Evans, 1884). G. M. Trevelyan, _England in the Age of Wycliffe_ (1904). G. V. Lechler, _Wyclif and his English Precursors_ (tr. P. Lorimer, 1878). R. L. Poole, _Wyclif and Movements for Reform_ (1889); _Illustrations of the History of Mediæval Thought_ (1884).