In the 19th century scholars looked at fancy, leather bound editions of books to look at howa author's reputation might rise and fall. What you've done for jane austen is tried to find as many of these less expensive editions. Thereare zillions of them. And what's interesting, of course, is that most of them should have been thrown away. Most of them were. They they were pulped for for a variety of reasons. It turns out that even cheap books for this new category of working class reader were valuable commodities or proud commodities.