Note 6 — Geographical Relations and History
Reading edition
Historical references to this trade, as well as to the Spanish invasion of Ilocos, will be found in Reyes, Historia de Ilocos, Manila, 1890; Fray Gaspar De S. Augustin, Conquista de las Islas Filipinas (Manila, 1698), p. 267; Medina, Historia, translated in Blair and Robertson, The Philippine Islands, Vol. XXIII, pp. 279, et seq. See also translation of Loarca and others in same publication, Vol. III, p. 73, note; Vol. V, p. 109; Vol. XV, p. 51; Vol. XVII, p. 285.