Thanks for your response. You're right, there are several De Tomaso registries being compiled. IMHO the biggest problem with these is that they're largely private databases that don't seem to benefit the wider De Tomaso community.
An open discussion on production numbers, individual chassis records et al that anyone can access/contribute/dispute 24/7 would seem a far better proposition. From my perspective I (like I'm sure most of you) have often come across interesting nuggets of information about specific cars but have not divulged the information to any of the individuals compiling private registries. Why? Because there's so many of these private registries. It's time consuming to e-mail half a dozen different people and in the end, who really benefits? Only the person running it.
Would I have publicised my findings on this forum as part of a thread on the production figures/individual histories for that specific De Tomaso model? Probably as it would take only moments and subsequntly allow other enthusiass to chip in with their two cents worth.
Best,
BT