Note 391 — Chapter III · MURAD THE OSMANLIS LAY THE FOUNDATIONS OF AN EMPIRE IN EUROPE
Reading edition
Bullarum, III, part 2, pp. 4, 92, 338; Urban V, Epp. secr. iii. 25, iv. 256; Gregory XI, Epp. secr. ii. 32-3, v. 88-9, 311; Philippe de Mézeray, p. 19; Raynaldus, ann. 1372, XXIX. In 1425 Martin V repeated the anathema against those who sold Christian slaves to the Turks: Bullarum, III, part 2, p. 454.