Flango, Victor and Flango, Carol. How Many Children Were Adopted in 1992, at 1022, CHILD WELFARE, Vol. LXXIV, No. 5, (Sept.-Oct. 1995).
 [Years for relinquishment rates among blacks are pre-1973 to 1988. Data is not available for post-1988.] Chandra, Anjani; Abma, Joyce; Maza, Penelope; Bachrach, Christine, Adoption, Adoption Seeking and Relinquishment for Adoption in the United States, at 9, Table 5, ADVANCE DATA, No. 306. National Center for Health Statistics, U.S. Department of Health and Human Services (May 1999).
 [The study surveyed adoptive parents filing for adoptive placement in 1988-1989. These parents were surveyed in 1990 and 1992.] Berry, et al., Preparation, Support and Satisfaction of Adoptive Families in Agency and Independent Adoptions, at 176, CHILD AND ADOLESCENT SOCIAL WORK JOURNAL, Vol. 13, No. 2 (Apr. 1996).