Warner, John F. (November 1908). Wilhelm, Honor L. (ed.). "Sultan, Washington". The Coast. XVI (5). Seattle: The Coast Publishing Company: 332–333. OCLC81457448. Retrieved January 5, 2019 – via Google Books.
"Mayor". City of Sultan. Retrieved January 13, 2020.
"City of Sultan 2016 Budget"(PDF). City of Sultan. December 2015. pp. 5, 15, 89. Archived from the original(PDF) on February 2, 2019. Retrieved February 1, 2019.
2016 Annual Traffic Report(PDF) (Report). Washington State Department of Transportation. 2017. p. 64. Archived from the original(PDF) on October 26, 2020. Retrieved March 2, 2019.
Washington State Redistricting Commission (July 15, 2022). "Legislative District 12"(PDF) (Map). District Maps Booklet 2022. Washington State Legislative Information Center. p. 13. Retrieved January 15, 2024.
"City of Sultan 2016 Budget"(PDF). City of Sultan. December 2015. pp. 5, 15, 89. Archived from the original(PDF) on February 2, 2019. Retrieved February 1, 2019.
2016 Annual Traffic Report(PDF) (Report). Washington State Department of Transportation. 2017. p. 64. Archived from the original(PDF) on October 26, 2020. Retrieved March 2, 2019.
Warner, John F. (November 1908). Wilhelm, Honor L. (ed.). "Sultan, Washington". The Coast. XVI (5). Seattle: The Coast Publishing Company: 332–333. OCLC81457448. Retrieved January 5, 2019 – via Google Books.