Niice.
The 5e listing works as a super index ; which if you don't mind I'd like to X-link to on the 5e board.
Interesting to see the OD&D prices.
There was a reprint special for $150
... providing a decent index to the minimum value of the real old stuff.
http://www.wired.com/2013/09/dungeons-and-dragons-white-box/Now I gotta go value my mangled 1e books.