Historical and Architectural information on lighthouses are obtained from several sources including, but not limited to, Wikipedia.com, the actual lighthouse’s home page (if available), Lighthousefriends.com, travel sites and Youtube.com.
Photos are obtained from Google searches and are listed under “Free images” as in pixaby.com.
To the best of my ability, I try to give Copyright images proper credit. If you encounter any image that violates this attempt please advise me immediately by email @ firstname.lastname@example.org. Thank you