1. Alford, John (1981). Party strength in the electorate and congress. Ph.D. dissertation, University of Iowa.
2. Archer, J. C. (1980). ?Congressional-Incumbent Reelection Success and Federal-Outlays Distribution: A Test of the Electoral Connection Hypothesis.?Environment and Planning A 22:262?277.
3. Arnold, R. Douglas (1979).Congress and the Bureaucracy. New Haven: Yale University Press.
4. Bartlett, Robert V. (1979). ?The Marginality Hypothesis: Electoral Insecurity, Self-Interest, and Voting Behavior.?American Politics Quarterly 7:498?508.
5. Bibby, John, and Norman J. Ornstein (1980).Vital Statistics on Congress. Washington D.C.: American Enterprise Institute.