A General Theory of Exploitation and Class. By John Roemer. Cambridge, MA: Harvard University Press, 1982. xiii, 298 pp. $27.50. Visions of History. Edited by Henry Abelove, Betsy Blackmar, Peter Dimock, and Jonathan Schneer. New York: Pantheon Books, 1983. xi, 323 pp. $10.95 paper. The Social Context of Innovation: Bureaucrats, Families, and Heroes in the early Industrial Revolution, as Foreseen in Bacon's New Atlantis. By Anthony F. C. Wallace. Princeton: Princeton University Press 1982. xiii, 175 pp. $15.00. Labor in a New Land: Economy and Society in 17th Century Springfield. By Stephen Innes. Princeton: Princeton University Press, 1983. xii, 465 pp. $35.00 cloth; $7.95 paper. Industrial Evolution: Organization, Structure, and Growth of the Pennsylvania Iron Industry, 1750–1860. By Paul F. Paskoff. Baltimore: The Johns Hopkins University Press, 1983. xx, 182 pp. $25.00. Render Them Submissive: Responses to Poverty in Philadelphia, 1760–1800. By John K. Alexander. Amherst: University of Massachusetts Press, 1980. xi, 234 pp. $14.00. Erin's Daughter's in America: Irish Immigrant Women in the Ninteenth Century. By Hasia R. Diner. Baltimore: The Johns Hopkins University Press, 1983. xvi, 192 pp. $9.95 paper.