➡ From Child Welfare Information Gateway NJ:
US: Openness of adoption records vary state to state
Sioux Falls Argus Leader – April 14, 2016
The decision to seek out biological parents or children can be tense, difficult and at times impossible. How a person goes about finding and reconnecting with their biological family depends on who they are, where they live and how willing the family on the other side of the adoption is to being found.
http://www.argusleader.com/insider/extras/2016/04/13/openness-adoption-records-vary-state-state/82977054/