[501] Coll. Doat, XXI. 143.—MSS. Bib. Nat., fonds latin, No. 9992.—Doctrina de modo procedendi (Martene Thesaur. V. 1807).—Lami, Antichità Toscane, pp. 557, 559.—Lib, Sententt. Inq. Tolosan. pp. 2, 4, 36, 208, 254, 265, 289, 380.—Eymeric. Direct. Inquis. pp. 510-12.
[502] Pegnæ Comment, xx. in Eymeric. p. 124.—Tract. de Paup. de Lugd. (Martene Thesaur. V. 1792).—S. Thom. Aquinat. Summ. Sec. Sec. Q. XI. Art. 3.—Eymeric. Direct. Inquis. pp. 510-12.—Tract. de Inquisit. (Doat, XXX.).—Bern. Guidon. Practica P. IV. (Doat, XXX.).—A. de Spina Fortalic. Fidei Ed. 1494 fol. 76a.—MSS. Bib. Nat., fonds Moreau, No. 444, fol. 10. Cf. Archiv. di Napoli, Reg. 6, Lett. D, fol. 39; Reg. 13, Lett. A, fol. 139.—Coll. Doat, XXXIV. 189.—Malleus Maleficarum P. II. Q. i. c. 2.—Albizio, Risposto al P. Paolo Sarpi, p. 30.
Gregory IX. had no scruple in asserting the duty of the Church to shed the blood of heretics. In a brief of 1234 to the Archbishop of Sens he says, “nec enim decuit Apostolicam Sedem in oculis suis, cum Madianita coeunte Judeo, manum suam a sanguine prohibere, ne si secus ageret non custodire populum Israel.... videretur.”—Ripoll I. 66.
Friar Heinrich Kaleyser was a celebrated doctor of theology, and was subsequently Inquisitor of Cologne (Nider. Formicar. v. viii.).
[503] C. 18 Sexto v. 2.—Concil. Albiens. ann. 1254 c. 22.—Eymeric. Direct. Inq. pp. 372, 562.—Pegnæ Comment. in Eymeric. p. 564.—Guid. Fulcod. Quæst. x.—Alex. PP. IV. Bull. Ad audientiam, 1260 (Eymeric. Append. p. 34).—Bern. Guidon. Practica P. IV. (Doat, XXX.).—Alex. PP. IV. Bull. Quœsivisti, 1260 (Ripoll I. 393).—Wadding. Annal. ann. 1288, No. 20.—Zanchini Tract. de Hæret. c. xviii.—Fortalicii Fidei fol. 74b.—Bernardi Comens. Lucerna Inquisit. s. v. Executio, No. 1, 8.
[504] Guill. Pod. Laur. cap. 48.—Les Olim, I. 317.—Vaissette, Éd. Privat, VIII. 1674. X. Pr. 484, 659.—Baluz. et Mansi, II. 257.
[505] Vaissette, III. 410.—Wadding. Annal. ann. 1288, No. xix.—Hoffmann, Geschichte der Inquisition, II. 391.—Bernardi Comens. Lucerna Inquisit. s. v. Executio, No. 6.—Innoc. PP. VIII. Bull. Dilectus filius, 1486 (Pegnæ App. ad Eymeric. p. 84).—Leo. PP. X. Bull. Honestis, 1521 (Mag. Bull. Rom. I. 617).—Albizio, Risposto al P. Paolo Sarpi. pp. 64-70.
[506] Rodrigo, Historia Verdadera de la Inquisition, Madrid, 1876, I. 176-77.—Von der Hardt, IV. 317-18.
[507] Von der Hardt, III, 50-1.
[508] Concil. Arelatens. ann. 1234 c. 6.—Concil. Tarraconens. ann. 1242.—Concil. Biterrens. ann. 1246, Append. c. 17.—Bern. Guidon. Practica P. iv. (Doat, XXX.).—Eymeric. Direct. Inquis. pp. 514-16.—Anon. Passaviens. c. ix. (Mag. Bib. Pat. XIII. 308).—Zanchini Tract. de Hæret. c. xviii.—Lib. Sententt. Inq. Tolosan. p. 6.