1. Advisory Commission on Intergovernmental Relations. (1978). Catagorical grants: Their role and design. Washington, DC: ACIR.
2. Ashenfeller, O., and Pencavel, J.M. (1969). American trade union growth, 1900–1960. Quarterly Journal of Economics 83: 434–448.
3. Bureau of Labor Statistics, U.S. (1980). Work stoppages in government, 1978. Washington, DC: Government Printing Office.
4. Burton, J.F., Jr. (1972). Local government bargaining and management structure. Industrial Relations 11: 123–140.
5. Cassing, J., McKeown, T., and Ochs, J. (1986). The political economy of the tariff cycle. American Political Science Review 80: 843–862.