Bennett, Richard R.: 1991, 'Development and crime:A cross-national, time-series analysis of competingmodels', The Sociological Quarterly 32(3), pp. 343–363.
Davies, James C.: 1991, 'Maslow and theory of political development: Getting to fundamentals', Political Psychology 12(3), pp. 389–420.
Diener, Ed: 1995, 'A value based index for measuring national quality of life', Social Indicators Research 36, pp. 107–127.
Eckhardt,W.: 1989, “Wars and war-related deaths 1945–1989', in R. Leger Sivard (ed.), World Military and Social Expenditures (World Priorities, Washington, D.C.).
Food and Agriculture Organization (FAO): 1995, Production Yearbook. On computer files (FAO, Rome).
Jaggers, K. and T. Robert Gurr: 1995, 'Tracking democracy's third wave with Polity III data', Journal of Peace Research 32(4), pp. 469–482.
Majumder, A., K. Mazumdar and S. Chakrabarti, 1995, 'Patterns of interand intra-regional inequality: A socio-economic approach', Social Indicators Research
Maslow, Abraham H.: 1970, Motivation and Personality (Harper and Row, New York).
Mazumdar, K.: 1995, 'Classification of countries: A socio-economic approach', Social Indicators Research 34, pp. 261–273.
Sirgy, M. Joseph: 1986, 'A quality-of-life theory derived from Maslow's developmental perspective', American Journal of Economics and Sociology 45(3), pp. 329–342.
Stockholm International Peace Research Insititue: 1995, SIPRI Yearbook 1995: Armaments, Disarmament and International Security (Oxford University Press, New York).
Veenhoven, Ruut with the assistance of Joop Ehrhardt: 1995, 'The cross-national pattern of happiness: Test of predictions implied in three theories of happiness', Social Indicators Research 34, pp. 33–68.
Wicker, Frank W., G. Brown, James A. Wiehe, Anastasia S. Hagen and J. Lynn Reed: 1993, 'On reconsidering Maslow: An examination of the deprivation/ domination proposition', Journal of Research in Personality 27, pp. 118–133.
World Bank: 1997, World Development Indicators (World Bank, Washington, D.C).