"Commonwealth Act No. 1". Philippine Laws, Statutes, and Codes. Chan Robles Law Library. December 21, 1935. Archived from the original on January 13, 2009. Retrieved October 27, 2009.
Leo Niehorster, North Luzon ForceArchived March 5, 2016, at the Wayback Machine, accessed January 2014. See also Major Rolando Pesano, 'A Brief History of the 31st Division, Philippine Army.' Brig Gen William E. Brougher was assigned to command the 11th Division in September 1941.
"Commonwealth Act No. 1". Philippine Laws, Statutes, and Codes. Chan Robles Law Library. December 21, 1935. Archived from the original on January 13, 2009. Retrieved October 27, 2009.
Leo Niehorster, North Luzon ForceArchived March 5, 2016, at the Wayback Machine, accessed January 2014. See also Major Rolando Pesano, 'A Brief History of the 31st Division, Philippine Army.' Brig Gen William E. Brougher was assigned to command the 11th Division in September 1941.