Search and Reunion

https://www.childwelfare.gov/adoption/search/

http://www.americanadoptioncongress.org/search_and_reunion.php

http://www.ancestry.com/cs/us/birth-records-overlay?state=&kw=Birth+Records&s_kwcid=adoption+records+free&gclid=Cj0KEQjw_byiBRCu9qm5lc28ufgBEiQAWq-ta1gbrQom0JKBvdPBTb4GOvK-ftcTHWeKXcW2oUpEF1waArkV8P8HAQ&o_xid=21837&o_lid=21837&o_sch=Paid+Search+%E2%80%93+NonBrand

http://www.isrr.org/Register.html

http://www.adopt.org/adopted-individuals

http://www.canadianadopteesregistry.org/

https://familysearch.org/learn/wiki/en/United_States_Adoption_Research

http://genealogy.about.com/cs/adoption/a/adoption_search.htm