1. Goldstein J. , Freud A. , and Solnit A. to recommend that custody orders should be irrevocable (Beyond the Best Interests of the Child (1973)).
2. Robertson (1977) Family Law Cases 90–214
3. Levin J. , “Step-parents and Guardians” (1974) 124 New L.J. 507
4. parent under the Guardianship of Minors Act 1971,
5. Re N. [1974] Fam. 40