[19a] Theodoret. Dial. i. Oper. vol. iv. p. 17, 18.
[19b] Ibid. Dial. ii. Oper. vol. iv. p. 84, 85.
[19c] Gelas. de duab. Christ. natur. in Biblioth. Patr. vol. iv. p. 422.
[20a] Vacund. Defens. Concil. Chalced. lib. ix. c. 5. Oper. p. 144.
[20b] Ephrœm. Theopolitan. apud Phot. Bibl. cod. ccxxix. p. 794.
[20c] Bed. Comment. in Psalm. iii.
[20d] Amalar. de Eccles. Offic. in Præfat.
[21a] Amalar. de Eccles. Offic. lib. i. c. 24.
[21b] Walaf. Strab de Reb. Eccles. c. xiv
[21c] Raban. Mogunt. Epist. ad Heribald. de Euchar. c. xxxii.