References in the booklet were endnotes, but here they are at the foot of each page, not hyperlinked

.Every effort has been made to provide the basis for all assertions made. For further information see Government websites or


· (an unofficial resource bank)


or contact me ( ).

Every effort has been taken to ensure accuracy, but if there are errors, please point them out and I will publicise corrections as widely as I can.

Tom Lockley.

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