Li, L. W., & Robert, S. A. (2001). Age variation in the relationship between community socioeconomic status and adult health. Research on Aging, 23(2), 234-259.
Zullo, R. (2001). The political awakening of a central labor council. In I. Ness & S. Eimer (Eds.), Central Labor Councils and the Revival of American Unionism. Armonk NY: M. E. Sharpe.