1. Berry, B.J.L. (1970) "Monitoring trends, forecasting change and evaluating goal-achievement in the urban environment; the ghetto expansion vs. desegregation issue in Chicago as a case study," pp. 93-117 in M. Chisholm, A. E. Frey, and P. Haggett (eds.) Regional Forecasting. Hamden, Conn.: Colston Research Society Symposion-Archon Books.
2. Black Movement Into the Suburbs