1. Malay Armando S. , “Japanese Entering Manila Five Years Ago Recalled, Keep Calm, People Told”, The Manila Chronicle, 3 01 1947, p. 11
2. The Tribune, 17 12 1941
3. Locsin Teodoro M. , “Land of the Rising Sun, Davao-kuo”, The Philippine Free Press, 6 12 1941, p. 2
4. The Philippines Herald, 3 04 1940
5. The Tribune, 3 04 1940