National Historical Geographic Information System • John S. Adams, University of Minnesota ; Catherine A. Fitch, University of Minnesota ; Steven Ruggles, University of Minnesota

Sewers in the City: A Case Study of Individual-Level Mortality and Public Health Initiatives in Northampton, Massachusetts at the Turn of the Century • Douglas L. Anderton, University of Massachusetts at Amherst ; Susan I. Hautaniemi, University of Michigan ; Tyler W. Hautaniemi, University of Massachusetts at Amherst ; Alan C. Swedlund, University of Massachusetts at Amherst

Neighborhood Definitions and the Spatial Dimension of Daily Life in Los Angeles • Anne Pebley, University of California at Los Angeles ; Narayan Sastry, RAND

Spatial Patterns as Predictors of Fertility: Change in Rural Egypt • John R. Weeks, San Diego State University ; Arthur Getis, San Diego State University ; Xiaoling Yang, San Diego State University ; Tarek Rashed, San Diego State University ; Douglas A. Stow, San Diego State University ; Saad Gadalla, San Diego State University ; Allan G. Hill, Harvard University