There is a good description of the various car types on the website of the Bristol Owners Heritage Trust
See BOHT

The stunning picture above is of two Zagato Bristols. The one on the left is a standard 400 first registered in 1949, rebodied by Zagato in 1961 and fitted with a 2.2-litre engine. The one on the right is the Zagato-bodied short-chassis 406 S.

Click here to see full image.

Selection of car photographs

(This gallery is in preparation)

Meanwhile there are a lot of photos of Bristol cars on the Bristol Group on Flickr.