Books by Larry L. Orr
Tests of nonexperimental metho
Tests of nonexperimental methods for evaluating the impact of the New Deal for disabled people (NDDP)
Social Experiments
Does Training of the Disadvantaged Work
Program applicants as a comparison group in evaluating training programs
Income, employment, and urban residential location
Measuring the impact of land b
Measuring the impact of land bank policies on the urban land market