Parental Alienation Syndorme, oftentimes seen after protacted custody litigation, is described by expert Richard Gardner as the systematic and conscious programming of children by a parent to denigrate the other. The sources below provide a wealth of information about the disorder.

Fathers are Capable Too-Parental Alienation Fact Sheet
Fathers Are Capable Too is a Canadian website which offers information and resources for non-custodial parents. They offer a parental alienation fact information sheet which may be very helpful to those looking for information on this topic.

Parental Alienation Directory
Both a summary and directory are provided by expert Dr. Douglas Darnall.

Parental Alienation Information Network
The purpose of the Parental Alienation Information Network is to provide a source for information and other services related to Parental Alienation Syndrome.

Parental Alienation Syndrome
Robert Gardner, MD is an original writer on Parental Alienation Syndrome.

• According to Richard A. Gardner, M.D., author of The Parental Alienation Syndrome:
  
  Cases of parental alienation are often misunderstood to be those in which a child harbors feelings of hate toward an abusive parent. In contrast, those parents alienated are loving and caring parents.
  
  

Some of the following research reports and articles are accessible via the Internet. Others are not accessible on the web as they require a password, such as those law review articles found on Lexis Nexis and Westlaw. Articles may be found in your local library or law library.

McGlynn, Luan C. Custody and Control of Child: Parental Alienation: Trash Talking the Non-Custodial Parent is not Okay. 77 N. Dak. L. Rev. 525
Discusses the North Dakota case of Hendrickson v. Hendrickson and ways in which other states have approached the issue of parental alienation.

In the Matter of Karen B, 574 N.Y.S 2d 267 (N.Y. 1991)
A New York case involving a mother who allegedly instructed her young daughter to fabricate stories of her father's sexual advances in an attempt to alienate and prevent the father from seeing the child.

In re the Marriage of Wiederholt, 169 Wis. 2d 524 (Wis. 1992)
Father moved for custody of his three children, arguing that such a transfer would be in the best interests of the children following the discovery that the mother had alienated the father. The court held that the transfer was not in their best interest and the children remained with the mother.

Schutz v. Schutz, 581 So. 2d 1990 (Fla. 1991)
Petitioner challenged a court order requiring petitioner-mother to "create in [her] children's mind a loving, caring feeling" toward respondent-father. The mother was so ordered following evidence of parental alienation syndrome, yet the mother challenged the order on grounds that such an order interfered with her freedom of expression. The court balanced the governmental interest and the interests of the mother and found that no such burden existed and the order was upheld.