You might check with a "Record Retriever" in the county and state where the divorce actions took place. If divorce records are open to the public then you can request a copy of the record and read it yourself.
California Search Website:
Other great websites to check out:
http://www.adoptionchat.com
http://www.adoptionlists.com
http://www.adoption.com
http://www.adopting.org
http://www.adoptionregistry.com