Quiason, Serafin D. English trade relations with the Philippines, 1644-1765 [microform] / by Serafin Danganan Quiason - Ann Arbor, Mich. : University Microfilms International, 1963 - 1 microfilm reel : positive ; 35 mm. Thesis (Ph.D.) - University of Pennsylvania, 1962 Subjects--Geographic Terms: Philippines--HistoryPhilippines--Foreign relations--United Kingdom