Orr, Larry, Judith D. Feins, Robin Jacob, Erik Beecroft, Lisa Sanbonmatsu, Lawrence F. Katz, Jeffrey B. Liebman, and Jeffrey R. Kling (2003). Moving to Opportunity: Interim impacts evaluation, Washington, DC: U.S. Department of Housing and Urban Development. Available at https://scholar.harvard.edu/lkatz/publications/moving-opportunity-interim-impacts-evaluation.