Some Web Links that you may find useful:

The British Library (publishers are required to supply a copy of all titles to the BL)
C. Tinling & Co., Ltd., Liverpool, London and Prescot (also a Ward Lock printer, but so far I have been unable to find any detailed information on these, and they appear to be no longer registered companies (at Companies House)
The Publishers Association, with useful book-related links, as do:
The Antiquarian Booksellers’ Association
International League of Antiquarian Booksellers
TopReference.com - Comprehensive Reference Web Directory

Bing interactive map of Red Guide locations

Other travel guide series of interest:

Old Guide Books - site covering some history of old guide books

Baedeker's Old Guide Books - another site for collectors of old Baedeker guides

Baskes.com - the Roger Baskes Collection of atlases and other books of and about maps

Links to help you find books to buy are shown on the "book sources " page.

If you know of any other link that might be helpful to other enthusiasts and collectors, please let us know