Author:Thomas William Symons
|←Author Index: Sy||Thomas William Symons, Jr.
- “Oregon” in Encyclopædia Britannica (9th ed.), 1884. (with G. H. Atkinson)
- “Washington (territory)” in Encyclopædia Britannica (9th ed.), 1888.
- "Adirondack Almanack: Keeseville's Thomas W. Symons, Part I". 20 September 2010. Retrieved 11 October 2011.
- "Ship Names Index: People Behind the Names S". armed-guard.com. Retrieved 11 October 2011.
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1923.
The author died in 1920, so works by this author are also in the public domain in countries and areas where the copyright term is the author's life plus 80 years or less. Works by this author may also be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.