Smithtown (N.Y. : Town)
- Egan, Rita J. Smithtown, A History: Whisper the Bull Statue: Smithtown's Statue Celebrates a Colorful Legend (Smithtown Patch)
- National Register of Historic Places Listed in Smithtown (Town), New York (Wikipedia)
- Smithtown (N.Y. : Town). Records of the Town of Smithtown, Long Island, N.Y., with Other Ancient Documents of Historic Value, transcribed from the Originals in the Town Clerk's Office, with Notes and Introduction by William S. Pelletreau. [Smithtown, NY: The Town,] 1898. (Internet Archive)
- Smithtown (N.Y. : Town). Incorporated Villages (The Town)
- Smithtown (N.Y. : Town). Town of Smithtown, New York (The Town)
- Smithtown (N.Y. : Town). History of Smithtown. (The Town)
- Smithtown (N.Y. : Town). Town Clerk (The Town)
- Smithtown Historical Society (The Society)
- The Long Island Room: The Richard H. Handley Collection of Long Island Americana (The Smithtown Library)
-- PML Catalog Sampler:
See also "L.I. - Smithtown (N.Y. : Town)..." vertical files
- Gish, Noel J. Smithtown, New York, 1660-1929: Looking Back Through the Lens. Virginia Beach, VA: Donning Co., 1996.
- Gonnoud, James Edward. A Brief History of Smithtown, N.Y.: A Dissertation in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy to the Faculty of the Department of History at St. John's University, Brooklyn, N.Y. Brooklyn, NY: The Author; The University, 1950.
- Harris, Bradley L., Kiernan Lannon, and Joshua Ruff. Smithtown. Charleston, SC: Arcadia Publishing, [2011].
- Langhart, Nicholas. Brief History of the Town of Smithtown. West Sayville, NY: Suffolk County Tercentenary Commission, 1983.
- Rockwell, Verne LaSalle. Colonel Rockwell's Scrapbook: Short Histories, Dwellings, Mills, Churches, Taverns, Township of Smithtown, Suffolk County, Long island, N.Y., ed. by Charlotte Adams Ganz. [Smithtown, NY:] Smithtown Historical Society, 1983.
- Smithtown, 1665-1965: Tercentenary Souvenir Album and Program. [West Sayville, NY: Smithtown Tercentenary Corp., 1965.
- Smithtown (N.Y. : Town). Historian. Black Roots in Smithtown: A Short History of the Black Community, by Bradley Harris. [Smithtown, NY: The Historian], 1986.
- Smithtown (N.Y. : Town). Office of the Supervisor. Smithtown Souvenir Program: Town Celebration, August 10th-16th, 1936. [Smithtown, NY: The Office, 1936.]
- Smithtown, Yesterday and Today, John Motta, ed. [Smithtown, NY: Pulsar Communications, 1988.