1. Resources and output trends in the United States since 1870;Abramovitz,1956
2. A theory of wage determination in public employment;Annable;Quart. Rev. Econ. Bus.,1974
3. The theory of discrimination;Arrow,1973
4. The effect of unionization on wages in the public sector: The case of fire fighters;Ashenfelter;I.L.R.R.,1971
5. Racial discrimination and trade unionism;Ashenfelter;J.P.E.,1972