1. Intergovernmental Relations in the Poverty Program;Advisory Commission on Intergovernmental Relations,1967
2. “Voting turnout in American cities.”;Alford;American Political Science Review,1968
3. “Political and socio-economic characteristics of American cities.”;Alford,1965
4. “The social integration of American cities of more than 100,000 population.”;Angell;American Sociological Review,1947