October 27, 2017 article: "Estrangement Doesn't Just Happen to "Bad" Moms — It Happened to Me Too" on Goodhousekeeping.com by Sheri McGregor, author of Done with the Crying.
Sheri has a website on the subject of family estrangement: RejectedParents.net and a Facebook Page on estrangement.
The description of her Facebook Page, "Help and Healing for Parents of Estranged Adult Children":
"Support and information resource. Parents of estranged adult children may feel isolated and embarrassed, yet there are many of us. Let's help each other."