Dave, I think, the Babydoll started late 2012, with Stefan‘s car being the first.

https://www.talkmorgan.com/ubbthreads.php/galleries/109897/1

The P4SS started around mid of 2011, having built 60 cars.

https://www.talkmorgan.com/ubbthreads.php/galleries/61612/2

ARP4 was launched around mid of 2016

https://www.talkmorgan.com/ubbthreads.php/topics/350387/1

When I am searching for things like this I use this google tool which works better than any internal search function:

you insert…

site:talkmorgan.com then leave one space and type what you are looking for.

This way you have all the google power but limited to the (complete) talkmorgan.com site.