If you are looking for lighthouse books in general, you can find a vast selection at your local library or for purchase from Amazon.com or other retailers. However, if you are looking for antiquarian lighthouse books the problem becomes more difficult.
Antiquarian lighthouse books are generally rare and will be out of print or will be available only in a reprint format. If you wish to see original books from before 1950 you may find it difficult to locate these books. Listed below are a number of locations where you may find and purchase these books, where you can download copies of these books in PDF format, or where such books can be viewed and read online. Using these resources you can build your personal library of early lighthouse books.
Internet Locations where you can purchase Antiquarian Lighthouse Books – Go to any of these locations and then search for lighthouses
https://www.abebooks.com/servlet/SearchEntry
https://ukbookworld.com/cgi-bin/search.pl?s_i_keywords=Lighthouses
https://lighthouseantiques.net
Internet Locations where you can read online or download Lighthouse Books - Go to any of these locations and then search for lighthouses
The U.S. Lighthouse Society Archive houses over 2000 lighthouse books that can be accessed at The Mariner's Museum in Newport News, Virginia.