After assuring me no more records existed, Uncle Peter surprised me and himself by running across his manuscript for the Great Abominable Snowman hunt. This was a replay of one of the earlier ones run by Dad, and it appears from the dates on here it was rescheduled from 1967 to 1968.
As far as I know this is the end of the series. Dad's papers rotted in our leaky attic for years, and were hastily discarded when we cleaned up the house. Uncle Peter is confident he will turn up no more - but he has been wrong once before, we can always hope.
Like all other Vootie enterprises, the Great Snowman Hunt was unsuccessful in its main goal, but investors did get some return on their stock purchases. I wish Vootie was still in operation, their "consolation prize" would be a real treat.