This tax credit provides the adoptive parents with a $10,000 credit per child for expenses paid to adopt. For incomes below $150,000, the entire credit can be taken. For incomes between $150,000-$180,000, a partial credit can be taken.IRS Form 8839.
Call 1-800-829-3676 or visit

http://www.irs.gov/instructions/i8839

For a listing of Adoption Professionals in your particular state for homestudies or for adoption services.

 http://adopting.com/pros.html

A spreadsheet that gives information state by state on adoption laws.