Pluck,
Most of the official Ford AA commercial vehicle photos are available from MAFFI. They can be previewed on their web site at the following link:
http://www.maffi.org/factoryphotos/commercial/
Here is a sample of one of the preview photos:
The following MAFFI link provides guidance on how to get full sized copies of those photos:
http://www.maffi.org/My_Homepage_Files/Page12.html
The photos they offer were scanned from an original Ford Commercial Vehicle dealership sales book (I believe from 1930).
Fordially,
Brad in Germany