Archive Proximity

[hatoncat]

I'm trying to get hold of this but can't seem to buy the pdf

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Look at what it covers... But it confirms only 2 ciphers survive.. the 1411 Steno and a later Cifra Costantinopoli  from 1484

It redirects to the homepage after I added it to the cart, so it appears you need to register and create an account before it will take you to the checkout page. There doesn't seem to be a "guest" checkout option like major e-tailers offer.