I only wish resources like this existed but most high end fashion cos don't keep archives like that aside from timeline slideshows. The best thing to do would be look for listings online. Some sellers, like those of us belonging to the VFG, always date an item to the decade and clearly show labels so eventually you should be able to determine a timeline for yourself.
Since Prada only made leather goods like luggage and bags until the mid to late 80s you're only looking at a 2 decade span for shoes and clothing.