1. “Social Backgrounds and Recruitment of Legislators and Administrators”;Abueva;Philippine Journal of Public Administration,1965
2. “Why the Philippines Did Not Become an NIC”;Angeles;Kasarinlan,1992
3. Angeles , Leonora C. 1995 The Survival of Privilege: Strategies of Political Resilience of Landed Oligarchies in the Philippines 1945 1992 Ph.D. Dissertation Queen's University