Lighthouse Construction and Illumination, by Thomas Stevenson (1881). Download: Lighthouse_Construction_and_Illumination
“Lighthouse Evolution and Typology,” by Dr. Robert Browning, US Coast Guard Historian (2012).
Lighthouses and Lightships: A Descriptive Account of their Mode of Construction, by W. A. Davenport Adams (1871). Download: Lighthouses_and_Lightships_Construction
Lighthouses and Lightships of the United States, by George Rockwell Putnam (1917). Download: Lighthouses_and_Lightships_of_the_United_States