From the US Department of Health & Human Services, Administration for Children & Families, Children’s Bureau website at
http://www.acf.hhs.gov/programs/cb/programs/state-tribal-funding
The Children’s Bureau provides matching funds to states, tribes, and communities to help them operate every aspect of their child welfare systems—from the prevention of child abuse and neglect to the support of permanent placements through adoption and subsidized guardianship.
This website describes the types of programs which might qualify under Title IV-E and Title IV-B. It includes a link to the Catalog of Federal Domestic Assistance, which includes all federal program that provide assistance to the American public.