Zhai, Fuhua, Jeanne Brooks-Gunn, and Jane Waldfogel. 2011. “Head Start and Urban Children’s School Readiness: A Birth Cohort Study in 18 Cities”. Developmental Psychology 47 (1): 134-52. Referenced from psycnet.apa.org: Head Start and Urban Children’s School Readiness: A Birth Cohort Study in 18 Cities.

Zhai, Fuhua, Jane Waldfogel, and Jeanne Brooks-Gunn. 2013. “Estimating the Effects of Head Start on Parenting and Child Maltreatment”. Children & Youth Services Review 35 (7): 1119-29. Referenced from www.sciencedirect.com: Estimating the Effects of Head Start on Parenting and Child Maltreatment.

Zhai, Fuhua, Jane Waldfogel, and Jeanne Brooks-Gunn. 2013. “Head Start, Pre-Kindergarten, and Academic School Readiness: A Comparison Among Regions in the U.S.”. Journal of Social Service Research 39 (3): 345-64. Referenced from dx.doi.org: Head Start, Pre-Kindergarten, and Academic School Readiness: A Comparison Among Regions in the U.S.