1. Bargaining theory, trade unions, and industrial strike activity;Ashenfelter;American Economic Review,1969
2. American trade union growth: 1900–1960;Ashenfelter;Quarterly Journal of Economics,1969
3. Union Growth and the Business Cycle;Bain,1976
4. The Social Organization of Strikes;Batstone,1978
5. Stages, cycles and insurgencies: The economics of unrest;Cronin,1980