John - it was through this very site that I found out about the Bishop/Hey Losses books. I have never seen them advertised anywhere else. It took some doing, and a good bit of money, but I managed to acquire vols. I and II. I hope to get III - I also did not see a link to the book via the above site.
FYI - here are a couple of search results for the ones available now elsewhere:
http://www.bookfinder.com/search/?au...ic&st=sr&ac=qr