Bachand, Robert G. Northeast Lights: Lighthouses and Lightships, Rhode Island to Cape May, New Jersey. Norwalk, CT: Sea Sports Publications, 1989.

D'Entremont, Jeremy. The Lighthouses of Connecticut. Beverly, MA: Commonwealth Editions, 2005.

Gleason, Sarah C. Kindly Lights: A History of the Lighthouses of Southern New England. Boston, MA: Beacon Press, 1991.

Hamilton, Harlan. Lights and Legends: A Historical Guide to Lighthouses of Long Island Sound, Fishers Island Sound and Block Island Sound. Stamford, CT: Wescott Cove Publishing Company, 1987.

Letter from the Secretary of the Treasury in answer to a resolution of the House of March 20, 1872, relative to removing the lighthouse at New Haven Harbor to Southwest Ledge. 42d Congress, 2d Session. Ex. Doc. No. 267. April 18, 1872.

Memorials, Reports and Statistics Concerning Improvement of New Haven Harbor. New Haven" Tuttle. Morehouse & Taylor, 1879.

National Register of Historic Places evaluation/return sheet. U.S. Department of the Interior, May 29, 1990.

New Haven Evening Register, January 22, 1908. "No man there to save hero."

New York Times, January 23, 1908. "Hero cut his throat."

Petzolt, Harold. "Lessons My Father Told Me." Lighthouse Digest, August 1995.

"Southwest Ledge Light, New Haven, Connecticut." U.S. Coast Guard Historian's Office, Washington, D.C., 1955.

Misc. documents from file at First U.S. Coast Guard District Aids to Navigation Office in Boston, MA.