All pretty standard stuff - take a look at Google Books there are all sorts of guides available on there, I quite like the Bachelor
one, which I believe was from Batchellors Library which I am sure was above the site of the Townwall Street underpass
http://books.google.co.uk/books?id=JnnSAAAAMAAJ&printsec=frontcover&dq=dover+guide&hl=en&sa=X&ei=LRfXUNylGPHM0AWs0YGgAQ&ved=0CE0Q6AEwBA