The following are references to Law Commission Report 251 The Rules Against Perpetuities And Excessive Accumulations 31 March 1998
Main report: http://lawcommission.justice.gov.uk/areas/illegality.htm

J Goldsworth 'The Rule against Perpetuities'
www.trusts-and-trustees.com/pma/138
A full text article from the web-site of the journal Trusts & Trustees (Oxford University Press).(free to subscribers and Athens users)

Rawstron v. Freud
http://www.bailii.org/ew/cases/EWHC/Ch/2014/2577.html
On secret trusts

“Lucian Freud's son fails in High Court battle over artist's £42m secret trust”
http://www.independent.co.uk/news/people/lucian-freuds-son-fails-in-high-court-battle-over-artists-42m-secret-trust-9638653.html
Newspaper coverage of Rawstron v. Freud